She_____me only twice since last year.
| A．sees | B．was seeing | C．has seen | D．have seen |
—Do remember to observe the traffic rules in order not to have a record of speeding or drunk driving.
—_________.
Made itB. Understood itC. Got itD. Remembered it
________ is to attend our evening.
| A．Both the singer and the dancer | B．Either the singer or dancers |
| C．The singer or dancers | D．The singer and dancer |
—You seemed to be impressed by his skill.
—No. It was his courage ________ his skill that really impressed me.
| A．but also | B．except for | C．as well as | D．rather than |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
Once harm is _______ to the eco-system, all species will ________, including man himself.
| A．made; be in danger | B．done; be dangerous |
| C．caused; be endangered | D．done; be in danger |