He had lost his temper and his health in the war and never found________of them again.
| A．neither | B．either |
| C．each | D．all |
Do you think it _________ to argue with them? The question is not worthy_________.
| A．worth; discussing | B．worthwhile; to be discussed |
| C．worthy; to discuss | D．worth; to be discussed |
The new manager had a bad cold, and _________ couldn’t come to the party.
| A．besides | B．because | C．however | D．therefore |
—Your brother was brave enough to tell the truth in public.
---Yes, and he will never regret_________ that. I admire him so much.
| A．to do | B．to be doing | C．to have done | D．having done |
The best way Tom thought of_________ his strength is to run for 30 minutes every day.
| A．building up | B．to build up | C．build up | D．being built up |
If we_________ sunlight_________ a dry leaf with a piece of glass, it may start burning.
| A．work; out | B．carry; out | C．focus; on | D．concentrate; on |