My mother was looking while I the radio.
| A．listened to | B．have listened |
| C．was listening to | D．is listening to |
The singer has got a headache badly, she has to _______ singing.
| A．stopped | B．stop | C．stopping | D．stop to |
He does not know ______ they will plant trees on Saturday or not.
| A． if | B．how | C．whether | D．why |
Tom usually ________early.
| A．awake up | B．waking up | C．woke up | D．wakes up |
Can you tell me_____ you are from?
| A．where | B．if | C．how | D．when |
---Would you mind if I open the window?
---______________, I’ve got a cold.
| A．You’d better not. | B．Never mind. |
| C．Of course not. | D．All right. |