I was doing my homework ______ my mother was cooking in the kitchen.
A.after | B.while | C.if | D.Until |
At the top of the high mountains, there is very _____ oxygen in the air.
A.a little | B.little | C.a few | D.few |
Thank you for __________ me to you party.
A.invite | B.inviting | C.invitation | D.invited |
Could you tell me _____?
A.where does he live | B.where lives he | C.where he lives | D.he lives where |
Don’t hurry. There are twenty minutes left. It’s _____ for us to get to the cinema.
A.enough early | B.early enough | C.enough quickly | D.quickly enough |
He _____ there _____ his father came.
A.didn’t wait…till | B.left…till | C.waited…until | D.waited…after |