We should take part in such activities in future _____ we did yesterday.
| A．which | B．as | C．that | D．than |
--Can I smoke here?
--Sorry, we don’t allow __________ here.
| A．people smoke | B．to smoke | C．people smoking | D．smoking |
— Is it good to look up every new word when I come across it in reading?
—No，you _____，because you are likely to guess the meaning from the context,
| A．don't have to | B．shouldn't | C．can't | D．mustn't |
---- Have you heard that Tom, as well as his parents, _____ moved to Beijing?
---- Really? No _____ I haven’t seen him for a long time.
| A．have; doubt | B．has; wonder |
| C．have; wonder | D．has; choice |
—I drove to Zhuhai for the air show last week.
—Is that ________ you had a few days off ?
| A．where | B．when | C．what | D．why |
What is even more important is______ the earth cooled down, water began to appear on its surface.
| A．that | B．that as | C．which | D．which as |