It is required that the students _____ mobile phones in their school, so seldom _____them using one.
—Could I use your dictionary? —I’m sorry it isn’t here. I’d get it for you_______ I could remember who last borrowed it.
The zoo will have to close ________ the local government agrees to give extra money.
Wait till I turn on my computer, _____ there is his telephone number.
You have to pass a driving test_____ you can get a license A before B until C when D since
What impresses me most is ______ he appears in front of others, he wears a sincere and charming smile. A.which B.that C.where D that whenever