The saying “Brother is smoking is not a cigarette(香烟), but loneliness.” is popular on the Internet.

By the time he graduates from the senior high, he ________ 3500 English words.

______ he ______ from the USA —No, he ______.

______ the number of cars, only _____small number of people have attended the meeting

You look very worried. ________ —My mother suddenly got ill yesterday.