My sister has been learning skating for __________.
| A．two and a half years |
| B．two and a half year |
| C．two year and a half year |
| D．two years and a half years |
On ______ way home, Mr. and Mrs. Black meet an old friend.
| A．my | B．her | C．their | D．his |
Mary with her parents often ______ a walk in the park after supper.
| A．have | B．is having | C．are having | D．has |
— Tom isn’t happy today. Do you know the_____?
— His dog is ill. That makes him sad.
| A．why | B．world | C．life | D．reason |
— YOG (青奥会) comes _____summer?
— Yes. And the 2nd YOG starts in Nanjing _____August 16.
| A．in; on | B．on; on | C．at; on | D．on; in |
— ______is it? —Sorry. I don’t have a watch.
| A．What | B．What colour |
| C．What time | D．Who |