The Americans took (about/ of) five days to get to the moon.

1. The Americans took (about/ of) five days to get to the moon.

【考点】

介词辨析;

【答案】

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选词填空（单句）普通

1. It's (on/in) the southwest of China.

选词填空容易

2. It's (on/in) the southwest of Shanghai.

选词填空容易