Tony failed to finished his paper on time. If he ______ me about it, I would have came to his help.
A. tell B. told
C. had told D. would tell
There is an increasing concern _____________ about Ebola infection. Every country has taken necessary measures to prevent it.
A. unnecessary B. sudden
C. nationwide D. worldwide
In the noisy crowd, I had to raise my voice to make myself ___________.
A. hear B. hearing
C. to be heard D. heard
As we can see, Peter is very happy, so he___________ have passed the exam. After all, it’s not difficult at all.
A. must B. would
C. could D. should
—Is Bob still a volunteer?
—No, but he _____. He worked for the 2008 Beijing Olympic Games.
A．used to B．used to be
C．used to do D．was used to
You’d better _______ because I’m busy writing a letter to my parents.
A. leave me alone B. leave me behind
C. set me aside D. set me off
