Unit 1 - Modal verbs of deduction
Unit 1 and 2 - Verbal combinations (under and over/ back and away)
Unit 2 - Ways of traveling
Unit 2 - The "th" sound
Unit 3 - Different ways to say possible and impossible
100

What modal verb shows a weak possibility in the present, like "She ___ be at home"?  

might  

100

What does the phrasal verb "give away" mean in the context of secrets?

to reveal

100

What’s the common verb used to describe traveling by car?

drive

100

Which type of "th" sound is in the word "think"? Voiced or unvoiced?

unvoiced


100

"Her story of surviving a plane crash, a shark attack, and a lightning strike all in the same week was unbelievable." Is this situation possible or not (for the author)?

Not possible

200

"He ___ have taken your keys. He was nowhere near them."

can't

200

What does "hold back" mean emotionally?

to restrain or suppress emotions

200

You stay in someone’s house while they stay in yours. It’s free, and it’s mutual. What’s the travel style?

home exchange

200

Which word has a voiced "th" sound: "thumb", "that", "thin", or "theory"?

that

200

"The charity’s website looked professional, but its vague mission and anonymous founders made it seem phony." Is this website possible/credible or not?

Not possible / not credible
(“Phony” denotes something fake or fraudulent.)

300

There's a fresh cake in the kitchen, and only Mom bakes. Complete: “Mom ___ have made it.”

must

300

Which phrasal verb means to underestimate or not value enough? "He tends to ___ his own abilities."

undervalue

300

You sleep under the stars, roast marshmallows, and probably smell like smoke. What do you call this kind of trip?

camping


300

Which has the unvoiced "th" sound: "mother", "thirsty", "this", "those"?

thirsty

300

"The idea that a teenager accidentally hacked into a military satellite while trying to download a video game seems far-fetched." For the author, is this situation possible or not?

Not possible

400

Which modal of deduction would best fit: "They ___ have left already – the lights are off and the car is gone"?

must

400

Which word means you did too much work? “I feel sick because I ___.”

overworked

400

I float with luxury, stopping at ports. You eat, sleep, and party all onboard. What am I?

cruise

400

In the sentence "They thought about the theme," how many "th" sounds are voiced?

Two ("they", "the")

400

A scientist claims it’s conceivable that a form of microscopic life might exist in the clouds of Venus. For the scientist, is this situation possible or not?

Possible

500

What two modal verbs express past deduction with high certainty and low certainty?

must have, might have

500

Which word means not enough payment? “She left because she was ___.”

underpaid

500

I’m a quick escape — maybe a hike, a museum, or a beach. Back before nightfall. What kind of travel am I?

day trip


500

What are the classifications of the th sound at the words "thanks", "this", "mother" and "thumb", respectively? 

unvoiced, voiced, voiced and unvoiced.

500

What is a formal synonym for "possible" that begins with "f"?

feasible