I searched for my wallet and it wasn't there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.

I searched for my wallet and it wasn't there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.

1. A.
   must have left；to take
2. B.
   may leave；taking
3. C.
   might leave； to take
4. D.
   could have left；taking

I searched for my wallet and it wasn't there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.

　A. must have left；to take                        B. may leave；taking

  C. might leave； to take                               D. could have left；taking

I searched for my wallet and it wasn't there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.

　A. must have left；to take                        B. may leave；taking

  C. might leave； to take                               D. could have left；taking

I searched for my wallet and it wasn't there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.