We are living in an age ___________many things are done on the computer.
A. that
B. which
C. whose
D. when
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The old lady sat in an armchair, her cat ___________ beside her.
A. lay
B. lying
C. lied
D. laying
Color-blind people often find it difficult to___________ blue and green.
A. compare
B. contrast
C. distinguish
D. separate
He is a student of great intelligence and diligence. ___________, he is a top student in the class.
A. Undoubtedly
B. Fortunately
C. Nevertheless
D. In spite
Community service can ___________ anything from gardening to helping in old people’s homes.
A. involve
B. ask
C. insist
D. remain