Topics: Modals
Thanks a lot, you ……. do that. It’s very kind of you.
A. don’t have to
B. must
C. mustn’t
D. can’t
Select your answer:

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Grammar › View___ ever____ to Fortaleza?
A. He has / gone
B. He has / been
C. Has he / gone
D. Has he / been
Grammar › View
One combination is not possible: Nuclear ______.
A. reactor
B. power
C. energy
D. rig
