The teacher that his students had difficulty in English grammar, decided to give them more examples.
| A．knows | B．to know | C．knowing | D．being known |
I still remember the day _______I first came to Beijing.
| A．when | B．whom | C．which | D．that |
The worker_______left leg was broken was sent to hospital at once.
| A．who | B．whose | C．why | D．which |
The weather turned fine , _______ made us very happy.
| A．as | B．that | C．who | D．which |
-_______do you spare time to visit your parents every month?
-Twice.
| A．How long | B．How often | C．How soon | D．How fast |
No one knows who the cars damaged in the flood _______.
| A．belongs to | B．blong to | C．belongs | D．belong |