从A、B、C、D中选出能够替换句中划线部分的选项。
1.He kept silent for a certain reason.
A.a kind of B.of course C.certainly D.some
2.From time to time he went to visit Grandma.
A.Some time B.Sometime C.Some times D.Sometimes
3.I am a little tired.
A.a bit B.a bit of C.not D.some
4.He is double my age.
A.as old as I am B.older than I
C.two years old than I am D.twice as old as I am
5.At times she makes mistakes when she speaks English.
A.In time B.On time
C.Now and then D.At the same time
参考答案
1.D 2.D 3.A 4.D 5.C