I ______ to get there before 5 o’clock, but now the rain is pouring down. They ______for me impatiently.

A．promised ; must be waiting                        B．have promised ; ought to wait

C．promise; may have waited                         D．will promise; could wait

I ________ to get there before 5 o'clock, but now the rain is pouring down. They ________ for me impatiently.

[　　]

A．promised; must be waiting

B．have promised; ought to wait

C．promise; may have waited

D．will promise; could wait

I promised to get there before 5 o’clock,  but now the rain is pouring down. They _______ for me impatiently.

1. A.
   may wait
2. B.
   ought to wait
3. C.
   could wait
4. D.
   must be waiting

I promised to get there before 5 o’clock, but now the rain is pouring down. They ______ for me impatiently.

A. may wait       B. ought to wait       C. could wait       D. must be waiting

I promised to get there before 5 o’clock,  but now the rain is pouring down. They _______ for me impatiently.