The old man, __________ abroad for 20 years, is on the way back to his motherland.
A. to work
B. having worked
C. working
D. to have worked
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The boys ________ to play football were disappointed when it rained.
A. want
B. wants
C. wanted
D. wanting
After graduation she reached a point in her career ______ she needed to decide what to do.
A. that
B. what
C. which
D. where
We haven't yet settled the question ______ we are going to spend our summer vacation.
A. that
B. which
C. where
D. what
________, he talks a lot about his favorite singers after class.
A quiet student as he may be
B. Quiet as he may be a student
C. Quiet student as he may be
D. As he may be a quiet student