If they ______, our plan will fall flat.a. are co-operating b. had not co-operated c. won’t co-operate d. didn’t co-operate
- How long did David work here? - For half a year, he didn't leave much_______on us.
It remains to be seen________North Korea will remain stable under its new young leader.
How did you manage to get to the school on time_________you missed the school bus?
Readers are required to________the rules of the library and mind their manners.
Everything seems to be going______for the first two weeks after I moved to London.