Will you go camping with us， Bob？
I'd love to， but I ______ study for the test．（ ）
| A． |
may |
B． |
must |
C． |
can |
D． |
could |
﹣What ______ if they ____ to the meeting late？
﹣﹣Sorry，I don't know．（ ）
A．will happen； goB．happened； go
C．happens； will goD．will happen； will go
﹣Why are you so worried？
﹣I've lost the watch ______ my dad bought me on my birthday．（ ）
A．whatB．whoC．whoseD．which
﹣Your bedroom is so clean．
﹣﹣Of course．It ____ every day（ ）
A．cleansB．cleaned
C．is cleanedD．was cleaned
﹣Could you tell me ____？
﹣﹣Look!He is playing volleyball over there．（ ）
A．what is Tom doingB．how Tom did it
C．where Tom isD．why Tom is doing it
﹣Did you watch the football match on TV last night？
﹣﹣I wanted to，but my father ____ his favorite TV program．（ ）
A．watchedB．watches
C．was watchingD．had watched