Do you know how to ( ) this washing machine?
A. continue
B. operate
C. spend
D. play
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If you don’t like this plan, you can drop out. ______
Our teacher said ____ wanted a ticket for the movie would have one.
A. however
B. whatever
C. wherever
D. whoever
永远不要让你的朋友失望。(let down) ______
If you want to meet people and make friends, you must be ____ to take action.
A. will
B. shall
C. willing
D. willingly