My toothache is killing me．I _____ it _____ away．But now it’s getting worse and worse．
A．think; is going B．thought; was going
C．have thought; is going D．had thought; had gone
---The exam starts at 9:00 tomorrow morning．
---___________ I fail to arrive there on time?
A．What if B．As if C．Only if D．Even if
_____ on May Day, the Shanghai Expo has attracted tens of thousands of visitors around the world every day．
A．Having opened B．Opened
C．Opening D．To open
With the moonlight keeping them ________, the tourists climbed over the mountain without a guide．
A．approach B．silence C．secret D．company
Recently I was frustrated that my essay was rejected my a newspaper．________, I had my wallet picked on the bus on the way home．
A．To be honest B．To make matters worse
C．To tell you the truth D．Believe it or not
Will you see to ________ that you will take good care of my car while using it?
A．this B．it C．that D．him
