They opened a new store in our city, but not until last week ______ it.
A. we visited
B. we would visit
C. did we visit
D. have we visited
查看答案
If you have difficulty ______ your bills, tell your utility company as soon as possible.
A. pay
B. paid
C. to pay
D. paying
Theadvisor was (anxiety)_____about the sub-healthy state of his students and urged them to do more exercise.
Well(begin)____is half done.
These young people are(respect)____to the great playwright.