Excuse me, Mr Li, I don’t know the meaning of the whole sentence. What shall I do?You should _____ .
A: ________ will we know the results of the test?B: In a week, I suppose.
The scientists ________ on the new medicine for two years. They will succeed in no time.
That rude man seldom uses kind words, ________?
The policeman caught the drunk driver, but he didn’t remember ________ the old lady.
After the conversation with the teacher, Jenny’s mother looked a little ________.