She was seen ____ the theatre at that moment.

Our classroom _____ every day, so it’s very clean.

People in Korea _______bow when they meet for the first time.

Paul doesn’t have to be made  _______ . He always works hard.

--When _____ the abacus _____?   -- In the sixth century by the Chinese people.

While he            the bus, he             a book.

Mr. Smith, together with his sons, _____ supper at 7 o’clock yesterday evening． 

－They said sorry to me, but I wouldn’t listen.－It is foolish of you _______ others for the mistakes.

The little boy ____ by the big one this morning. 

Mary with his brothers           this film very much.

The Eiffel Tower __________ for the 1889 Paris Expo. It is a symbol of the city now.

Trees __________every year to make our city greener.

We all love our English teacher, He always makes his English class very ________.

Sir, you should ________ at the red light, but you didn’t.

The words that we should pay attention to ___________ on the blackboard.

Don’t stand up until you ____________.

What’s the language                  in Canada?

—Jack, your hair is too long! —Really? I’ll have it _____ right now. 

—May we leave classroom now?—No, you        . You        to leave until the bell rings.

– It’s difficult for the village children to cross the river to get to school.– We think a bridge ________ over the river.