You ________ cross the road when the traffic lights are red.
| A．can | B．must |
| C．mustn’t | D．needn’t |
May I speak to Mrs．Black？
Sorry，mum can't come to the phone now．She a shower．（ ）
| A． |
has |
B． |
had |
C． |
is having |
D． |
was having |
I didn't do very well in this exam．Unluckily，he did it ．（ ）
| A． |
worse |
B． |
badly |
C． |
better |
D． |
worst |
The water dark and dirty．It's no longer safe to drink．（ ）
| A． |
became |
B． |
has become |
| C． |
will become |
D． |
was becoming |
Last night，the shop was closed she didn't buy any chocolate．（ ）
| A． |
so |
B． |
if |
C． |
or |
D． |
when |
Some old people need a _______ because they feel lonely．（ ）
| A． |
gift |
B． |
stick |
C． |
pet |
D． |
watch |