vocabulary
comparative and superlative
modal verbs
irregular verb
100

isolated

far from other people or things

100

A rabbit can run _______ (fast) than a turtle.

faster

100

Don't phone him now he ______ be asleep.

can

can't

must

musn't

must

100

pay

paid

200

crops

grains, fruits, or vegetables grown in large amounts

200

Learning math is (chaallenging)  _____________ than learning English.

more challenging

200

She won't come to the swimming pool because she _____ swim.


must

musn't

can't

can

can't

200

sleep

slept

300

tourism

the business of providing hotels, restaraunts, etc. for travelers.

300

Football is more popular / the most popular sport in Europe.

the most popular sport

300

Your hair is too long. You ______ have a hair cut.

can't

can

mustn't

must

must

300

hold

held

400

canyon 

deep valley with tall sides

400

Summer is hotter than / the hottest winter.

hotter than

400

She's only five, but she _____ read and write.

can't 

can

must

can

400

learn

learned

500

species

group of plants or animals that are very similar

500

this is the __________  (sad) book I have ever read.

saddest

500

You _______believe him! He's always lying.

must

mustn't

can't

can

can't

500

leave

left