一Why don’t you consider a trip to, say, Beijing or Hangzhou?
一 .
| A．I wouldn’t mind that |
| B．Then we’ll get there quickly |
| C．Let’s call it a day |
| D．It’s not a requirement |
Is this museum _______some German friends visited the day before yesterday?
| A．which | B．that | C．where | D．the one |
The visitors saw rows of houses the roofs _______are red.
| A．where | B．that | C．what | D．of which |
As is known to all, China _______the group of developing countries.
| A．belonging to | B．was belonged to | C．belongs to | D．is belonged to |
There is no doubt _______international cooperation is the key to dealing with cyber crime.
| A．then | B．that | C． wheather | D．this |
---They are quiet，aren’t they?
---Yes. They are accustomed ________at meals.
| A．to talk | B．to not talk | C．to talking | D．to not talking |