问题

______! The bus is coming.
A:sang
B:singing
C:singer
D:to sing;
B:singing
C:singer
D:to sing;
正确答案是:
同类题型
I have math ____ Friday. It’s difficult for me.
Food, water and tents ____________ to YuShu in Qinghai Province as soon as the earthquake happened.
I’d like to buy a house-modem, comfortable, and in a quiet neighborhood.[ ]
_______he is very old, he works very hard. — Wow, great. I should learn from him.