—Excuse me, can you tell me _____?
—Sorry, I don’t know. You can go to the information desk.
| A．that there is a train | B．when the train leaves |
| C．which train can I take | D．where does the train go |
We all felt _____after we knew the _____news.
A.exciting, exciting B.excited, exciting C.exciting, excited
John didn’t go to bed ______he finished his homework.
A.until B.after C.while
It took him half an hour _____ the work.
A.doingB.to do C.did
The teachers are very friendly ______their students.
A.to B.at C.on
His shoes are ___dirty ____he has to wash them .
A.too, to B.so, that C.enough, that