As the intelligence of robots increases to match ________ of humans，we may use them to expand our frontiers.
| A．it | B．that | C．which | D．the |
This book teaches us how to analyze _______is causing the stress in our lift.
| A．what | B．when | C．why | D．How |
Martin drove along for more than one hour _____he found a convenient parking place.
| A．after | B．once | C．until | D．Since |
—The party will start at 7:00 sharp. Come earlier!
—_______. Thanks for your mention.
| A．Good idea | B．I will | C．I think so | D．You’re right |
The place he suggested to us ______ the meeting is a five-star hotel.
| A．holding | B．to hold | C．hold | D．should hold |
We expect Mr. Drew will ______ Class Two when Miss Syme retires.
| A．take over | B．take up | C．take off | D．take to |