16. For our future generations, we must show respect for ___ nature, increasing ____ amount of waste we recycle.
A. the, the B. /, an C. the, an D. /, the
17._______ not necessary, booking in advance is recommended in order to avoid waiting in line.
A. Once B. Since C. If D. While
18—The last ________ cleans the blackboard
— Agreed.
A.arrives B.arrived C.to arrive D.arriving
19. Online learning is being widely _____ to help adults further their education.
A. attended B. adopted C. adapted D. adjusted
20 .Written in a hurry, ____________. How can it be satisfactory?
A. they found many mistakes in the report B. Sam made lots of mistakes in the report
C. there are many mistakes in the report D. the report is full of mistakes
21.It is Tom and Jack rather than he that ______ for the delay of the project.
A. is to blame B. are to blame C. is blamed D. are to be blamed
22. —I’m calling to _______ our lunch appointment. It’s tomorrow at twelve o’clock, right?
— Absolutely.
A. confirm B. respond C. determine D. recognize
