—Have you known Dr. Jackson for a long time?
—Yes, since she ______ the Chinese Society.
A. has joined B. joins C. had joined D. joined
I like getting up very early in summer. The morning air is so good ______.
A. to be breathed B. to breathe C. breathing D. being breathed
The lawyer rarely wears anything other than jeans and a T-shirt ______ the season.
A. whatever B. wherever C. whenever D. however
Let’s learn to use the problem we are facing ______ a stepping-stone to future success.
A. to B. for C. as D. by
The performance ______ nearly three hours, but few people left the theatre early.
A. covered B. reached C. played D. lasted
—What fruit is in season now?
—Grapes and peaches, ______.
A. I know B. I think C. I see D. I feel
