—Do you know when World Non-smoking Day is?—_____________.

    A. It’s a fine day   B. It’s May 31   C. It’s Sunday   D. It’s time to give up smoking

 Do you know when _________ he ________ the Football Club ? And how long ______ he _______ it ?

A．did join ; has been

B．did join in ; have been a member of

C．did join ; has been in

D．has joined ; has been a member of

用所给词的适当形式填空。

1.The weather in Wuhan is      (hot) than that in Beijing in summer.

2.Do you know when Clindy can finish       (write)the book?

3.It’s good for your health     (walk )after supper.

4.Are there any       (different)between the twin sisters?

5.I came into the classroom      (quiet)

---Do you know when Dr Smith_____for dinner this evening?

----No,but I think he _____when he is free.

A．will come;comes                        B．will come;will come

C．comes;comes                          D．comes;will come