[ Grammar ]
Jeanette did very badly on the exam. She _____ harder.
a. must have studied
b. should have studied
c. could have studied
d. must studied
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Transitional Phrases and Conjunctions › ViewThe weather was cold; ________, he wore a jacket.
A. because
B. for instance
C. although
D. on the other hand
Grammar › View
Ava ________ abroad for a year and now she is coming back home.
A. had studied
B. is going to study
C. studied
D. has been studying