--- Which of those mp4 do you like most?
--- ________. They are both expensive and of poor quality.
| A．None | B．Both | C．Neither | D．All |
Susan, _____ university student from Europe, teaches me _____ art in her spare time.
| A．an; / | B．a; the | C．an; the | D．a; / |
It was the first time Mary _____ such a big opening ceremony.
| A．has attended | B．attended | C．had attended | D．should attend |
Today Bob contradicted Ms. Li, our math teacher, in class, _____ made her angry with him.
| A．that | B．which | C．what | D．who |
Many things that were once considered useful and _____, for example, tobacco, is now thought harmful.
| A．beneficial | B．suitable | C．fulfilling | D．accessible |
Since time is limited, let’s cut _____ the unimportant details.
| A．off | B．away | C．up | D．out |