(2015·陕西) ____________ the delayed flight will take off depends much on the weather.
A.Why B.When
C.That D.What
Until now, we have raised 100,000 pounds for the poor children, ___________ is quite unexpected.
A.that B.which C.who D.it
Although you ______ find bargains in London, it’s not generally a cheap place to shop.
A.should B.need C.must D.can
We would have called a taxi yesterday if Jim ___________ us a lift.
A.didn’t give B.wouldn’t give C.hasn’t given D.hadn’t given
We won’t start the work until all the preparations __________.
A.are being made B.will be made
C.have been made D.had been made
I found the professor's lecture quite difficult to follow because it ___________ when I arrived.
A.started B.was starting C.would start D.had started
