There’s no goal that you obtain so long as you_________ have an honest attitude and a strong will.
A. can
B. can’t
C. could
D. couldn’t
查看答案
You cannot be __ careful when you drive car.
A. very
B. so
C. too
D. enough
Even if I had known her address, I __ time to write to her.
A. can not have had
B. mustn’t have had
C. will not have had
D. might not have had
I wonder why they haven’t arrived yet. I told them how to get there, but perhaps I_________a map.
A. should give him
B. must have given them
C. ought to have given them
D. ought to give them
The audience stood and ____________at the end of the performance.
A. celebrated
B. welcomed
C. clapped
D. waved
微信支付 
支付宝支付