We should participate in the movement _________to conserve the natural environment.

Since we ---------- in the new house we ----------- very busy.

I think you should let your daughter _____ over at Judy’s.

It is earth's gravity that ................... people their weight.

--------- John busy every day?

He last had his eyes tested ten months ago.

It is of great ________ to show your interest and politeness when you are having a job interview.

She doesn’t mind _______ me with my exercises.

She didn’t marry Peter, because her parents _____ .

New sources of energy have been looking for as the number of fossil fuels continues to decrease.

Mary …….. her treatment almost two years ago.

He'll be remembered both as a brilliant footballer and as a true _______.

You --------- eat and drink in class.

.........more help, I could call my neighbour.

The revolving door remained ________ because Posey was pushing on it the wrong way.

They went ----------- holiday yesterday.

Don’t bother me while I ……..

Last year I ________ all of my books in my office.

What --------- you--------- at weekend when you were a child?

__________it rained heavily, I went to school on time.

Nowadays, most people rely ________ the mass media as their main source of information.