21、In face of difficulties or misfortunes, our family members are the ones that will      us to the last.

A．stick to          B．get stuck in         C．stick with           D．stick out

20、Julia has been taking dancing lessons for years; she        be an excellent dancer.

A．shall        B．can           C．may        D．should

19、--- Mr. Kidd, I find it interesting that the man just left spoke with a strong accent similar to yours.

--- You’re right. He comes from       I was born, and we’ve been friends since childhood.

A．where            B．which           C．that           D．when

18、---Billy, could you tell me what the NBA game was like last night?

---Sorry, I     because I didn’t see it, so I have no idea of it at all.

A．really don’t know                     B．don’t really know

C．am not sure                                        D．I am not certain．

17、---Congratulations on winning the first place in the relay race yesterday!

---Thanks．We        for it for a whole month.

A．were preparing                                         B．had been preparing

C．have been preparing                                   D．would be preparing

16、In the discussion，there were 40％ of the students         the opposite opinion to ours．

A．held           B．to hold           C．had held            D．holding

15、---Which group would you like to join when we go mountain climbing next Wednesday?

---Any one      there is a strong atmosphere of teamwork．

A．for which        B．of which          C．where           D．whose

14、Many people wear masks over their mouths      they might contract H1N1．

A．for fear that         B．as long as      C．now that         D．on condition that

13、---What time do you usually go to bed?

--It         ，but on weekends I always go to bed late and sleep late．

A．differs           B．changes            C．varies           D．distinguishes

12、The audience was immediately thrown into      when the hall started to shake and a roaring sound went through the lower part of the building．

A．confusion        B．excitement           C．despair           D．comfort