Comrade Wang ________ be in Shanghai—I saw him in the company only a few minutes ago.

A. mustn’t        B. can’t    C. may not        D. isn’t able to

The well­known singer________at the piano by Comrade Wang.

A．was companied  B．was accompanied

C．companied  D．accompanied

Comrade Wang ________ the Party for about three years．

1. A.
   has attended
2. B.
   has joined
3. C.
   has been in
4. D.
   has taken part in

Comrade Wang ________ be in Shanghai—I saw him in the company only a few minutes ago.

1. A.
   mustn’t
2. B.
   can’t
3. C.
   may not
4. D.
   isn’t able to