[ Grammar ]
How long………….. computer science?
A. you have been studying
B. have you been studying
C. you had studied
D. are you studying
Select your answer:
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Grammar › ViewWhat type of sentence is this: My brother and I got lunch.
A. Simple Subject/Simple Predicate
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Grammar › View
You ____________ type your essay but if you want, you can do it.
A. mustn’t
B. don’t have to
C. should
D. ought