--Is it all right if I use your car ?----
Tmall. com is booming, especially during the festivals,__________ price and variety, it is superior to other online shopping sites, like amazon. com and 360buy. com
When __________ such a difficult problem, he didn't know what to do.
__________ with so many difficulties, I had difficulty __________ my dream of running a store of my own.
You've failed to do what you __________ to and I'm afraid the teacher will blame you.
He is the only one of the students __________ want to accept the teacher's advice.A. that don't B. who don'tC who doesn't D. that do