5. All their attempts to ________ the child from the burning building were in vain.
6.
| A．regain | B．recover | C．rescue | D．reserve |
Some fat people have a large stomach and no waistline, _________makes them look round.
| A．it | B．that | C．which | D．this |
— Did you enjoy yourself at the party?
— Yes, I’ve never been to ____________ one before.
| A．the more excited | B．the most exciting |
| C．a more excited | D．a more exciting |
_________about the girl’s safety, the police didn’t catch the robber on the spot.
| A．Concerned | B．Concerning |
| C．Having concerned | D．To concern |
Those successful deaf dancers think that dancing is an activity _________ sight matters more than hearing.
| A．when | B．whose | C．where | D．which |
He telephoned the travel agency to ________ three air tickets to London.
| A．order | B．arrange | C．book | D．take |