-I hear you were hit by a car.
- Yes, but the driver drove away_______ I realized it.
| A．before | B．after | C．as soon as | D．while |
—Don’t play near the classroom，please．
—________．
| A．Yes，I do |
| B．Sorry，I won’t |
| C．No，I don’t |
| D．Not at all |
—Can they swim in the lake？
—________．
| A．Yes，they do |
| B．No，they don’t |
| C．Yes，they can |
| D．No，they didn’t |
They arrived ________ Shanghai ________ a cold morning．
| A．in；in |
| B．in；on |
| C．at；on |
| D．at；in |
There is a garden ________ the house．
| A．up |
| B．at |
| C．on |
| D．outside |
—Must I start now？
—No，you ________．
A．mustn’t
B．can’t
C．needn’t