John, _______ money is no problem, still leads a simple life.
| A.for whose | B.of whose | C.of whom | D.for whom | 
—It is raining hard. Will you go to your friend’s birthday party?
 —I promised him to go, but the heavy rain really places me in a. I’m not sure whether I will go or not.
| A.disadvantage | B.conclusion | 
| C.dilemma | D.challenge | 
I reminded Mr. Yang of the with Mr. Smith this afternoon, but he told me to put it off, because he had an important meeting to attend at 2:30.
| A.impression | B.expression | 
| C.appointment | D.conflict | 
Ever since MaYun founded Taobao Website, the number of people shopping online ___quickly.
| A.has increased | B.have increased | 
| C.is increasing | D.are increasing | 
As the saying goes, “Only _____ to stop, can we smell the rose on the way.”
| A.remember | B.remembering | 
| C.we remember | D.when we remember | 
My sister’s flight______ and I want to see her off at the airport.
| A.takes off | B.is taking off | 
| C.was taking off | D.took off |