“They are required to keep a twometer________from everyone else during the quarantine (隔离)period，” experts say.
| A．length |
| B．width |
| C．distance |
| D．space |
She ______ your birthday. But she had to put work first.
| A．wouldn’t forget | B．shouldn’t forget |
| C．mustn’t have forgotten | D．couldn’t have forgotten |
— It has been dry for a few months.
— You’re right. There is twice ____ rain this year than _____ of last year.
| A．more; it | B．less; that | C．more; that | D．less; it |
— How about your weekend?
— Very boring. We could do nothing but ______ for the sky to clear up.
| A．wait | B．waiting | C．to wait | D．to be waiting |
These MP4s are more advanced, but they are ________ the previous ones in price.
| A．opposite to | B．equal to | C．close to | D．next to |
She was about to go to bed when it suddenly _____ to her that she hadn’t turned off the gas.
| A．happened | B．occurred | C．explained | D．referred |