[ Grammar ]
Don’t forget _____ the door when you leave the room.
A. close
B. closed
C. to close
D. closing

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Grammar › ViewRecently, I _______ really hard because end-of-term tests are coming.
A. have been working
B. have worked
C. has been working
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Idioms › View
To “feel out” means to ___.
a. test and idea
b. tell a secret
c. hide something