The old town has narrow streets and small houses ________ are built close to each other.
| A．they | B．where | C．what | D．that |
Which do you enjoy _____ your weekend, swimming or fishing?
| A．spending | B．being spent | C．spend | D．to spend |
As ___rule, apples are sold by_____weight and eggs by _____dozen.
| A．a; 不填；the | B．a; the; the | C．a; a; the | D．the; 不填；不填 |
—No wonder you caught a cold. You ________out last night without a coat.
—I know how silly I was.
| A．shouldn’t have gone | B．mustn’t have gone |
| C．couldn’t have gone | D．mightn’t have gone |
Smallpox, a kind of disease, has now died ________.
| A．out | B．away | C．off | D．down |
The discovery of new evidence led to__________
| A．the thief having caught | B．catch the thief |
| C．the thief being caught | D．the thief to be caught |