The number of the red-crowned cranes will become ____ if we don’t take any action.
| A．fewer and fewer | B．less and less | C．smaller and smaller | D．larger and larger |
You have to leave now_______ you can catch the early bus.
| A．so that | B．as soon as | C．because | D．although |
---Were you at home at 7:00 yesterday evening? I called you but no one was there.
---Sorry, we ___________ a movie at the theatre at that time.
| A．watch | B．were watching | C．watched | D．are watching |
Helen got up too late this morning, so she went to school _____ breakfast.
| A．without | B．through | C．by | D．for |
---It’s too cold today.
---Yes, why don’t you _______ your coat?
| A．get on | B．put up | C．take off | D．put on |
My grandma used to live in the country, but now she _______living in the city and likes the city life.
| A．is used to | B．is used for | C．used to | D．uses to |