The audience waited until the curtain rose and then______laughter at the sight of the funny actor.
| A．burst out | B．burst into | C．broke into | D．began with |
—What was the party like?
—Wonderful. It' s years _____ I enjoyed myself so much.
| A．after | B．when | C．before | D．since |
It was not _____ she took off her dark glasses _____ I realized she was a famous film star.
| A．when; that | B．until; that | C．until; when | D．when; then |
If we work with a strong will, we can overcome any difficulty, _____ great it is.
| A．what | B．how | C．however | D．whatever |
The man ____ visited our school yesterday is from London.
| A．who | B．which | C．whom | D．when |
The woman ____ is talking to my mother is a friend of hers.
| A．whose | B．who | C．whom | D．which |