________ you recite the article ? It’s so difficult.
A. Should
B. Would
C. Must
D. Can
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_______ we have dinner together? It’s six o’clock now.
A. Should
B. Shall
C. Must
D. Can
As students we _______ study hard.
A. can
B. may
C. must
D. could
________ is good for our health.
A. Do exercise
B. Doing exercise
C. Does exercise
Done exercise
You can select the courses _______ on your interest.
A. base
B. basing
C. to base
D. based