Peter ________ at this job since he graduated from college.
--- ___it rain tomorrow, we would have put off the visit to the Yangpu Bridge.
He is the only one of the students who _________ a winner of scholarship for 3 years.
Parents ____ bring up their children under 16 and educate them properly.
All of us found _____ necessary to learn a foreign language.
I used to _____ bed at nine. Now I am used to ____ bed at ten.