Many young people prefer the songs ______ have great lyrics. [ ]

Tom wants to be a singer and he_____. singing lessons to do it.

David, how old is your father this year?—______. And we just had a special party for his _____ birthday last weekend.

I don’t know ___________next. —-You’d better finish your homework first.

Did you see Dr Ma yesterday afternoon?— No. When I got to his office, he ______ already.