Helen ______ her key in the office so she had to wait until her husband ______ home.

A.has left; comes

B.left; had come?

C.had left; came

D.had left; would come?

Helen ________ her key in the office so she had to wait until her husband ________ home.

1. A.
   has left, comes
2. B.
   heft, had come
3. C.
   had left, came
4. D.
   had left, would come

Helen ________ her key in the office so she had to wait until her husband ________ home.

[　　]

A．has left, comes

B．heft, had come

C．had left, came

D．had left, would come

Helen ________ her key in the office so she had to wait until her husband ________ home.

[　　]

A．has left, comes

B．heft, had come

C．had left, came

D．had left, would come

Helen ________ her key in the office so she had to wait until her husband ________ home.

A. had left; came

B. has left; comes

C. left; had come

D. had left; would come