When____ help, one often says “Thank you. ” or “It’s kind of you. ”
A. offering B. to offer
C. to be offered D. offered
Only after my friend came _____.
A. did the computer repair
B. he repaired the computer
C. was the computer repaired
D. the computer was repaired
—Catherine, I have cleaned the room for you.
—Thanks. You____ it, I could manage it myself.
A. needn’t do B. needn’t have done
C. mustn’t do D. shouldn’t have done
The classroom is big enough ____, but we’ll have to move if we have more students.
A. for the moment B. on the moment
C. in a moment D. for a moment
—Can the project be finished as planned?
—Sure, ____ it completed in time, we’ll work two more hours a day.
A. having got B. to get
C. getting D. get
Father ____ for London on business upon my arrival, so I didn’t see him.
A. has left B. left
C. was leaving D. had left
