---Hi,Nancy.I didn’t know you had come back.So have you graduated from college?---Yes.I _______ French for 5 years in Nanjing.
—Would you mind my _______ your speech? —Not at all. Go ahead.
The ability ________ an idea is as important as the idea itself.
We were just about ready to leave _____ it started to snow.
It’s a mistake to think of Chongqing only ______ its tourist attractions.
Is this the young engineer ________ you want to have ________ the computer for me?