To increase our working ____, it is necessary to take advantage of every moment we have.
A. efficiency
B. effect
C. affect
D. efficient
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The dish consists of eight kinds of vegetables, mixed with hot chili ____ and served with beef soup.
A. rust
B. vehicle
C. paste
D. comic
She asked us to ____ the sheets and bring them downstairs when we leave.
A. toss
B. keep back
C. strip off
D. turn over
Girl was told by her parents to ____thepolish from her nails because she was too young for makeup.
A. remove
B. curb
C. sweep
D. finish
The first mobile phones were heavy and ____ to use, but nowadays they are much easier to handle
A. beloved
B. romantic
C. ridiculous
D. clumsy