I didn’t know he came back __________ I met him in the street .
The students are from England and __________ maths teacher is from China.
There are so many foggy days these days. We all wonder .A. how is the air polluted B. why the air is polluted seriouslyC. what are the real reasons
—I have trouble the passage. What shall I do?—Remember it three times at least.A. understanding, to read B. understanding, reading C. to understand, reading
—Do you consider yourself a rude person?— not. I always have good manners.A. Probably B. Usually C. Certainly
— I won’t choose either of the two shirts. They are too large for me.— Well, I a small one for you.A. was fetching B. fetched C. will fetch