问题

A smile costs , but it gives so much. So we should learn to smile.
A:nothing
B:something
C:anything
D:everything;
B:something
C:anything
D:everything;
正确答案是:
同类题型
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We ___ each other the best of luck in the examination.
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ften do you eat out —- _________, but usuallyonce a week.
ould have been warned of the danger.—_______, but he wouldn’t listen to me .