—Shall I lock the lab now before I go home?

  —_____. I’ll check it myself later.

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

 ---Shall I lock the lab now 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 now 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 now before I go home ?

   —__________ . I’ll check it myself later.

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

--- Shall I lock the lab now before I go home?

    --- ________. I’ll check it myself later.

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