22.—Alan,it’slate.Whynotgotobed?—Jennyhasn’tcomebackyet.I_______forher.
A. waited
B. havewaited
C. amwaiting
D. waswaiting
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23.—It_____hardoutside.Youhavetostayathome.
A. rain
B. israining
C. rained
D. rains
24.—Doyouknowwhocleanedtheblackboard,Tina?—Yes.John_____.
A. do
B. does
C. did
D. hasdone
Ifyou_____yourhomework,youcangoouttoplayfootball.
A. finish
B. willfinish
C. arefinishing
D. finished
Bytheendoflastmonth,I_____alltheCDsofJustinBieber.
A. collect
B. collected
C. havecollected
D. hadcollected