Chọn D
whom -> which
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Choose the best answer to fill in each gap. Write your answer in the numbered box.
In the ___of security, personnel must wear their identity badges at all times.
Give the correct tenses of the verbs in brackets. Write your answer in the box.
If he ____ (1. not drink) too much last night, he ____ (2. not - be) tired now.
Find out and correct the mistake in each sentence. Write your answer in the box.
A persimmon tastes best when it is such ripe that it looks wrinkled and almost spoiled.