Idioms
Vocabulary
Grammar
Reading
100

Is an informal expression in english that means "I have no idea" or "I don't know".

Beats me.

100

If something is _______, it is not allowed.

Prohibited.

100

If it rains, we will get wet.

First conditional.

100

B2, U6

The NAE(Nacional Association of Engineers) will check that ideas are original.

True or false?

True

200

Is an informal expression used to give someone permission to do something or to invite them to help themselves.

Be my guest.

200

Is an amount of something. It either precise or indefinite.

Quantity.

200

If the code has an error, it doesn't work.

Zero Conditional.
200

B2,U5

Why charlene don't use thick glass?

Because the glass was too expensive.

300

Is an idiomatic expression that means to slow down or be patient.

Hold your horses.

300

Something that is ______, can generally exist only as an idea.

Abstract.

300

If I were you, I would do your homework.

Second Conditional.
300
B2,U5

How many panes was used on the third iteration?

2

400

Is an idimatic expression that means something is very expensive.

Cost an arm and a leg.

400

Is the relationship between the size of something drawn and the real size.

Scale.

400

The galaxy's life disappears if the sun explodes.

Zero conditional.

400

B2,U4

A signpost is an example of a visual aid.

True or false?

True

500

Is an idiomatic expression meaning to do something immediately.

At the drop of a hat.

500

Is the step of a problem solving method in which data and theory combine to solve a problem.

Comprehension.

500

If you fail the subject, I will be disapointed.

First Conditional.
500
B2,U10

What was the size of the machine part?

5cm, instead 0.5cm