— I saw Dave in the lift this morning. 

    — Really? He _______ around here for a long time. 

    A．won’t be seen                 B．wasn’t seen

    C．hadn’t been seen              D．hasn’t been seen

— I saw Dave in the lift this morning. 

— Really? He _______ around here for a long time.

1. A.
   won’t be seen
2. B.
   wasn’t seen
3. C.
   hadn’t been seen
4. D.
   hasn’t been seen

—I saw Dave in the lift this morning.

   —Really? He _______ around here for a long time.

A. won’t be seen      B. wasn't seen      C. hasn't been seen      D. hadn’t been seen

--I saw Dave in the lift this morning．

--Really? He _______ around here for a long time．

A．won’t be seen                                 B．wasn't seen

C．hasn't been seen                               D．hadn’t been seen

—I saw Dave in the lift this morning.（ ）

—Really? He ________ around here for a long time.

A. won’t be seen　　　　　　　 B. wasn’t seen

C. hasn’t been seen 　　　　　　 　D. hadn’t been seen