The father stayed up late, ______ a long letter to his son.
| A．to write | B．writing | C．wrote | D．was writing |
is not easy to find a best friend in a new place.
| A．What | B．Which | C．When | D．It |
The student ____ can speak good English is my best friend.
| A．whom | B．whose | C．who | D．when |
The kids were very happy as they could get tickets .
| A．on free | B．from free |
| C．for free | D．with free |
-- Do you mind my opening the window? It's a bit hot in here.
---___________, actually.
| A．Go ahead. | B． Yes, my pleasure |
| C．I would rather you didn't | D． Come on |
_______, we had to feel the way out.
| A．The light being gone out |
| B．With the light had gone out |
| C．For the light went out |
| D．The light going out |