______ I am concerned, the meeting held last week is a great success.
| A．As long as | B．As well as | C．As far as | D．As soon as |
On December 28, 2009, a terrible tsunami happened in the coasts of South and Southeast Asia, _______ over 25,0000 people.
| A．killing | B．had killed | C．killed | D．having killed |
I’ll do whatever I can _________ my English.
| A．improve | B．to improve | C．improving | D．to improving |
You must follow the directions exactly, and if you should become_______ , you must take the time to go back again and read them over.
| A．confused | B．to be confused | C．to confuse | D．confusing |
He narrowly missed being seriously hurt, if not______, by the explosion.
| A．killed | B．being killed | C．be killed | D．to be killed |
—Professor, do you have something _______ at this moment?
— No, thanks. I’ll call you if any.
| A．to be typed | B．to type | C．typing | D．typed |