1 . The twins ________ the guitar at this time the day before yesterday. I think they might be preparing for the art festival these days.

A．were heard playing

B．heard to play

C．heard playing

D．were heard to play

2 . As we all know, _____ should be taken to prevent the accident_____ again.

A．measures; happening	B．strengths; happening
C．measures; to happen	D．strengths; to happen

3 . _____ you are a big boy, you should not do things like a baby.

A．As if	B．Now that
C．Before	D．Though

4 . _____! The car is coming so fast!

A．Break out	B．Turn out
C．Watch out	D．Bring out

5 . After the speech, the boy went back to _____his mother was sitting.

A．when

B．where

C．whether

D．why

6 . I’d love to spend more time with my family, but my new job ________ I am busy all day long always disappoints my expectations.

A．to which

B．by which

C．for which

D．with which

7 . A study shows the speed ________ temperatures change will continue to increase over the next several decades.

A．in that

B．at that

C．at which

D．in which

8 . Don’t be too ________about other people’s private affairs: the privacy right is protected by law.

A．crazy	B．concerned
C．alarmed	D．creative

9 . The only thing ________ is wrong with this is what my brother said to me the other day.

A．which

B．that

C．where

D．what

10 . In this remote village stands an ancient temple ________ from hundreds of years ago.

A．dates

B．dated

C．dating

D．is dating