You should try to get a good night’s sleep _______ much work you have to do.
| A．whenever | B．however | C．whichever | D．whatever |
—Why ! Where's my passport? Maybe I left it on the plane.
--My Goodness ! You ____________ things behind.
A. had never left B. didn't leave
C. never left
I tried hard to get some information about the new technology out of his mouth, but he remained____________.
| A．quiet | B．secret | C．silent | D．calm |
When I tried to find _________that prevented so many people from taking part in the program, it seemed to me that there were two main reasons.
| A．why it did | B．that it did | C．what it was | D．why it was |
Up to Tuesday's attack, the worst school shooting in the U. S. was in March 1998 in Jonesboro, two boys, aged 11 and 13, shot and killed a teacher and four girls.
| A．while | B．where | C．when | D．then |
—How did you find your visit to the museum, Jane?
| A．Oh, wonderful, indeed | B．By taking a number 3 bus |
| C．I went there alone | |
| D．A classmate of mine showed me the way |