Shall I lock the lab before I go home?
__________. I’ll check it myself later.

Shall I lock the lab before I go home?

__________. I’ll check it myself later.

A．Go ahead         B．No problem        C．No hurry          D．Don’t bother.

---Shall I lock the lab before I go home?
---______. I’ll check it myself later.

1. A.
   Go ahead
2. B.
   No problem
3. C.
   No hurry
4. D.
   Don’t bother

—Shall I lock the lab before I go home?

—            . I’ll check it myself later.

A．Go ahead         B．No problem        C．No hurry          D．Don’t bother