Work must come ________.

1. A.
   one
2. B.
   first
3. C.
   the first
4. D.
   at first

Work must come ________.

[　　]

Work must come ________.

[　　]

Work ______ first!

1. A.
   must comes
2. B.
   must    come
3. C.
   must to come

Lucy ________ come to the party, but I am not so sure of thetime yet, because she must finish her work first.

1. A.
   might
2. B.
   mustn't
3. C.
   can't
4. D.
   must be