[ Present Continuous ]
It’s very noisy upstairs! What ___?
A. are they doing
B. am I doing
C. they doing
D. do they do
Select your answer:

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Grammar › ViewI don’t know what to do because I don’t have ________ information.
A. Enough
B. Too
C. Enoughs
D. To
Modals Verbs › View
He ____ the door. It wasn’t closed when I entered.
A. cannot have closed
B. must close
C. should close
D. could be closing
