—I counted sheep, I drank milk and I tried everything, but nothing helped.

   —It seems you _____ too much recently. Try some sleeping pills.

A. worked                         B. work                           C. had worked                        D. have been working

—I counted sheep, I drank milk and I tried everything, but nothing helped.

—It seems you _____ too much recently. Try some sleeping pills.

A. worked                               B. will be working

C. had worked                           D. have been working

---I counted sheep, I drank milk and I tried everything, but nothing helped.

---It seems you ______ too much recently. Try some sleeping pills.

1. A.
   worked
2. B.
   will be working
3. C.
   had worked
4. D.
   have been working

—I counted sheep, I drank milk and I tried everything, but nothing helped.
—It seems you _____ too much recently. Try some sleeping pills.