Having been attacked by terrorists，________．
A．doctors came to their rescue B．the tall building collapsed
C．an emergency measure was taken D．warnings were given to tourists
We must know what we should do and what we should avoid ______a good impression on others in public place.
A．to leave B．leaving C．to have left D．leave
—Well, Kate, I’m sorry, but I have to leave.
---_____. I hope to hear from you soon.
A．Keep in touch B．Have s good time
C．Walk slowly D．So am I.
As you the town, the first building you see is the church.
A．cross B．pass C．draw D．approach
—How did you find the talk this morning?
—______.
A．By asking my students B．It was easy to find
C．Very disappointing D．Just in time for it
The flowers _________sweet in the botanic garden attract the visitors to the beauty of nature．
A．to smell B．smelling C．smelt D．to be smelt
