-Where’s the old blue bag?
- I’m not sure, but it ______ be thrown away. It be somewhere in the house .I saw it yesterday.
A.must ;must | B.must; can |
C.can’t; must | D.can’t; can |
-Where’s the old blue bag?
- I’m not sure, but it ______ be thrown away. It be somewhere in the house .I saw it yesterday.
A.must ;must | B.must; can |
C.can’t; must | D.can’t; can |