---- How did you know the surprising news?                 ---- I happened ____ the event then.
#89560
A
to cover
B
to be covering
C
covering
D
to have covered
推荐题目
_____ to hospital in time, the patient infected with flu was saved at last.
#92961
A
Taking  
B
Having taken
C
To be taken 
D
Having been taken
 The little boy still needed another 20 dollars to do with the things ________.
#91966
A
remained to be settled
B
remaining to be settled
C
remained to settle
D
remaining to settle
You’ve made Jenny _______, so you must be careful when ________ her.
#96788
A
annoy; meet
B
annoying; met
C
annoyed; meeting
D
to annoy; meeting