Space Day of China falls________ April 24th every year.

1. Space Day of China falls________ April 24th every year.

A. on B. by C. at D. in

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介词辨析;

【答案】

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单选题普通

1. —What time is it?

—It's half __________ seven.

A. past B. to C. at

单选题容易

2. — I could tell __________ the look on her face that something exciting had happened.

— Exactly!

A. on B. with C. by D. at

单选题容易

3. Cathy always makes good use of her time to study, even _________ her lunch break.

A. around B. during C. from D. between

单选题容易