There __________ some children in the painting room. They are studying painting. 

—What will Jack do on vacation? — He’ll go to Disneyland if he _________ enough time. 

—What were you doing when the UFO arrived?— I         with my dog on the street.

We __________ 1000 English words since we __________ to learn English.

The geography teacher told us the earth________ bigger than the moon.

My mother was cooking while I____ the radio.

—What bad weather!—Yes. If it _______raining, the fields will be covered with water soon.

___How time flies!It’s already twelve o’clock. ___ Oh,really? I ______ it at all.

 —Do you know the nearest way to the science museum?—Sorry, I’m a stranger. This is the first time I _________ here. 

___________ from space, the earth looks like a blue ball.

The life we were used to __________ greatly since 1992.

Help! Tom ________ an accident.

Lisa wrote a letter in the morning, but Bob _______.

Peter has many brothers, but he _________ have any sisters. 

Dad, the phone is ringing. I guess either you or Mum ________ on the phone.

—What do you think of the film named Let the bullets fly(让子弹飞)? —I have no idea, because I _____ it. 

Mr. White had no money for the taxi, so he had to ______ home.

--- Where is Mr Brown? --- In the garden. He ______ the flowers.

---Did you visit your uncle last Sunday? ---No, I ______ to a wonderful movie with my friends.

–Will the twins go to Tom’s birthday party next Sunday? --Not until they ________.