1.Becarefulthedog,itmightbityou.AatB.forC.ofD.to2.Ithinkbooksaregoodgiftsteenagers.A.inB.onC.toD.for

Question

1.Be careful ______ the dog,it might bit you.
A at B.for C.of D.to
2.I think books are good gifts ______ teenagers.
A.in B.on C.to D.for

Answer 1

1.选C.of
be careful of …
注意,小心.,后接名词,动名词或从句.
2.选D.for
buy gifts for sb.或send gifts to sb.