Mr. Smith gradually _____ a knowledge of the subject.
| A．attained | B．achieved | C．required | D．acquired |
Yournewclothesfityou,butmine____me.
| A．doesn’tfit | B．don’tfit | C．doesn’tfitfor | D．don’tfitfor |
Tom’steacherandfriend____Mr.Smith.
| A．are | B．is | C．arebeing | D．has |
Allthatcanbeeaten____eatenup.
| A．arebeing | B．hasbeen | C．hadbeen | D．havebeen |
Someperson ____callingforyouatthegate.
| A．are | B．is | C．isbeing | D．willbe |
Oneachsideofthestreet ____alotoftrees.
| A．stands | B．grow | C．isstanding | D．aregrown |