22．The purpose of their explorations is as important to them as____to us.
| A．they are | B．they have | C．it is | D．it has |
—The result of the research made in the lab has disappointed me.
— ____. You’d better do some sports.
| A．Take your time | B．Have fun |
| C．Just relax | D．Watch out |
Water rafting, ___ courage plays an important role, is a breathtaking outdoor sport.
| A．which | B．whose | C．where | D．When |
The little girl, with tears ___ down her cheeks, stopped crying suddenly when given an apple.
| A．having rolled | B．to roll |
| C．rolled | D．rolling |
The boy and his father ___ abroad for a few days when they were free last summer.
| A．stayed | B．have stayed | C．had stayed | D．were staying |
South-to-North Water Diversion Project will largely___ Beijing’s dependence on underground water.
| A．affect | B．adjust | C．ease | D．Settle |