Storm chasing is so dangerous that some chasers are often hurt in accidents ______ by driving in a heavy rain.
A. having caused B. caused C. to be caused D. causing
Believe it or not, crying is a way you can imagine ______ pressure.
A. relieving B. to relieve C. relieved D. relieve
All the clothes donated by the citizens need cleaning thoroughly before being sent to the earth-stricken area, ______ ?
A. needn’t they B. don’t they C. didn’t they D. shouldn’t they
My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.
A. studied B. has studied C. had studied D. has been studying
What he said at the meeting made Mary rather embarrassed, so he felt that he ______ differently.
A. might express B. should express
C. could have expressed D. must have expressed
I have done much of the work. Could you please finish ______ in two days?
A. the rest B. the other C. another D. the others
