Did you ___football yesterday?
A. play
B. played
C. were
D. are
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He always _____me last term.
A. helped
B. helps
C. helping
D. help
They came to China in 1990.(变一般疑问句)__________ they ________ to China in 1990?
She washed the clothes last Sunday. (变否定句)She _________ ________ the clothes last Sunday.
I have ____as a music teacher for the three years.
A. worked
B. working
C. work
D. works