【题目】I’m afraid we can’t come, but thanks for the invitation ______. (即使这样)

【题目】The teacher spent a long time _____ the problem to the boys after class. (解释)

【题目】When the crazy people heard the exciting news, they got even________ (mad)

【题目】I have________ (mistake)him for Lily's brother. In fact, he is Millie's cousin.

【题目】The war didn’t come to ________end ________ 1972.

【题目】It is known that it's the soldiers' first job ________ (guard)our country.

【题目】In order to do well in the exam, we should try to avoid________ (careless).

【题目】The X-ray machines are now ________ (wide) used in hospitals.

【题目】Peter spoke so ________ that I could hardly hear him.

【题目】I asked if she________ all right, but she just ________ a smile.