[ Grammar ]
He ______ study harder if he wants to pass the exam.
A. could
B. should
C. can
D. might

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Grammar › View —- searching for long-term economic growth, the government intends to study immediate solutions to avoid severe criticism from the public.
A. Instead of
B. According to
C. However
D. Future
Conjunction › View
_____________ in poor health, she continued to carry out her duties.
A. besides
B. although
C. whereas
D. because