English and French -------- in Canada.

Our teacher doesn’t let us -------------- gum in class.

My brother sometimes asked himself what _______ to the trees if spring didn’t come at last.

On his third try, he succeeded------------ passing his driving test.

Would you like something -----------?

What would you do if you _______ a lot of money in the street?

 I’m fed up -------- working, I need a holiday.

Be careful or you may get lost and run out of money.” She said. 

No one likes being laughed ……….. .

They _________ enthusiastically when their teacher ___________in.

Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor that he has to use the hayloft of a barn as a laboratory.

He advised them ___________ in class.

She………… while I was cooking.

People reported that before help _______ them, a small child _______ of infantile paralysis.

He took a taxi ________ he wouldn't be late.

The meeting was held …………Tuesday.

In some parts of the country, prices are__________ than in others.

“Where shall we go this weekend?” “What if we _____ in for a change?”

Sleeping, resting, and to drink fruit juice are the best ways to cure for a cold.

 I am looking forward ……….. seeing you.

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