Helen was much kinder to her youngest son than to the others， _____，of course，made the others envy him.
| A．who | B．that | C．what | D．which |
I'm wondering_____ he expects will win the gold medal in Men's Single.
| A．whom | B．which | C．who | D．what |
She asked _____ we were getting on well with our work.
| A．how | B．if | C．what | D．that |
_____ you _____ to go to watch the football match with me?
| A．Would; like | B．Would; rather | C．Do; feel like | D．Do; would like |
While _____ in the room, we were all very excited.
| A．waited | B．waiting | C．to wait | D．wait |
---____ will the meeting _____?---In about 20 minutes.
| A．How long, last | B．When, last | C．How often, finish | D．How soon, end |