[ Grammar ]
Birds ……… wings.
A. has
B. have
C. had
D. having

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Grammar › ViewYou ________ anything to me if you want to spend your whole salary on lottery tickets, that’s up to you.
A. don’t have to explain.
B. needn’t to explain
C. must explain
D. haven’t to explain
Tenses › View
I probably ____ (not/be) back in time.
A. am not
B. am not going to be
C. won´t be
Grammar › ViewHow long _____ in America?
A. did you stay
B. you stay
C. you stayed
D. you staying
Conjunction › View
Beth can play the guitar_______ the violin.
A. also
B. both
C. or
D. and