—Why are you standing here?
—I’m waiting for Shirley. She will be back _____.
A. gradually B. originally C. shortly D. abruptly
By the year 2020 scientists _____ a lot of research on AIDS.
A. had done B. do C. are doing D. will have done
The former manager of the company was said _____ in an organized crime.
A. to be involved B. to involve
C. to have involved D. to have been involved
_____ is commonly believed that the play was written by Shakespeare.
A. It B. That C. What D. As
I will buy this type of car _____ the price is brought down to under 10,000 dollars.
A. even if B. provided that C. unless D. whether
. Her interesting face, with a long nose and big eyes, is what makes her _____.
A. stand by B. stand for C. stand up D. stand out
