﹣Why don't you buy the sweater？
﹣﹣It's too ____，and I don't have enough money to buy it．（ ）
A．niceB．expensiveC．popularD．cheap
_____ the mountain is， _____ the air is．（ ）
A．The highest， the thinnest
B．Higher， thinner
C．The higher， the thinner
It _____ me two hours to help Mary with her math last Saturday．（ ）
A．tookB．spentC．paid
It is very dangerous for us the mobile phone while crossing the street． （ ）
A．answeringB．to answerC．answer
I like _____． They are my favorite fruit．
Really？ But I like apples．（ ）
A．strawberriesB．orange
C．banana
Have you seen _____ film Journey to the West？
Yes， it's _____ interesting film．（ ）
A．a， anB．a， theC．the， an