John hadn’t been able to quit smoking at once; he had to control his smoking desire

Could we finish the project according to the schedule?—I doubt thatThe problem remains ______ we can get financial aid within this week

It is the first time that I_______to Beijing

Word comes that free souvenirs will be given to _____ comes first.

You don’t know ________ I want to see you again. It’s years since I saw you last time.