选词填空 burn up，wind up，come across，have a frog in one's throat，be aware of，have trouble doing

1. 选词填空

burn up，wind up，come across，have a frog in one's throat，be aware of，have trouble doing

(1) She tends to when she gets up in the morning.

(2) The spacecraft was as it entered the earth's atmosphere.

(3) Whenever we learning English，our teacher always helps us patiently.

(4) You'd better turn to your workmates for help when you difficulty in your work.

(5) It's high time that we should the importance of saving fresh water and become concerned about water resources.

(6) My mother reminded me to the clock in case I got up late the next morning.

【考点】

固定短语;

【答案】

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选词填空（多句）困难

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