43. Learning a foreign language well takes a long time, ________?
| A．doesn't this | B．does this |
| C．doesn't it | D．does it |
—You don’t look well. Are you Okay?
—No, the big exam is coming and I ________ reviewing until midnight.
| A．stayed up | B．am staying up | C．have stayed up | D．will stay up |
Living in the eastern part of the city has its problems, ____ __shopping is not the least.
| A．with which | B．of which | C．for which | D．which |
It was just like a black Friday. Nothing _____ right.
| A．did | B．became | C．grew | D．went |
As we all know , the Chinese _____ prefer tea to coffee.
| A．mostly | B．nearly | C．most | D．almost |
Moyan was so surprised and excited _____ he became the winner of the Nobel Prize in Literature.
| A．where | B．that | C．why | D．when |