We can't ______water here. This water isn't clean.A.to drink B. drink C. drinking
This elephant ________ a baby. A.have B.has C.be
—________.Who is that boy? —He is my brother. A.Sorry B.Excuse me C.OK
She is playing ________ her mother. A.of B.for C.with
They can swim ________. A.well B.good C.fine
There are a lot of ________ on the desk. A.book B.books C.bread