A.I bought | B.I bought it | C.which I bought it | D.what I bought |
A.I bought | B.I bought it | C.which I buy | D.that I bought it |
A.I think it is | B.I think which is | C.which I think it is | D.which I think is |
A.if possible | B.if any | C.if ever | D.if necessary |
A.If so | B.When necessary | C.On condition that | D.Believe it or not |
A.Sooner or later | B. Once in a while | C.To be exact | D.Believe it or not |
© 2017-2019 超级试练试题库,All Rights Reserved.