[ Grammar ]
Miss Wu: _____ David doing his homework when I _____ the classroom? Class leader（班長）: Yes, he was.
A. Were; entering
B. Was; entering
C. Were; entered
D. Was; entered
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Grammar › ViewI’m nervous ………..the big math exam.
A. Took
B. Takes
C. To take
D. Taken
Grammar › View
I’m going out and _______________.
A. have cut my hair
B. have my hair cut
C. let my hair cut
D. my hair be cut
Grammar › ViewPeople used to ___________________ silly things when they were young.
A. do
B. did
C. does
D. doing
Grammar › View
When _______ Chemistry class?
A. do you have
B. do you has
C. does you have
D. does you has