At first sight, it ________ look like a generous offer; actually, it is a trick.

1. A.
   may
2. B.
   must
3. C.
   shall
4. D.
   should

At first sight, it ________ look like a generous offer; actually, it is a trick.

At first sight, _________ bag seems to be made of real leather, while actually it is just ________ imitation．

1. A.
   the;an
2. B.
   the;the
3. C.
   a;the
4. D.
   a;an

At first sight, it ________ look like a generous（慷慨）offer; actually, it is a trick.

      A. may             B. must                         C.shall               D. should