It’s a long time _____ I last saw you．——Yes, and it will be another month _____ we can meet again．

I have no money, so a new bicycle is ____

The plan _____ by the Chinese government ____ rejuvenating the nation by relying on science

How do you usually go to work—On foot. Walking is much than driving during the heavy traffic time.

Tom ought not to ________ me your secret, but he meant no harm.