.Since I came here two years ago, great changes __________ in the factory and many people want to come here to pay a visit.
A have been taken place B. had been taken place C. have taken place D. are taking place
—Has Mr. Black decided not to take part in the party?
—Yes. But the reason______he refused the invitation is not clear.
| A．what | B．for which | C．with what | D．which |
Miss White, please keep visitors off the meeting-room. A secret plan______ there.
| A．is made | B．was made | C．is making | D．is being made |
People are deeply struck by Forrest Gump because of his unselfish ______ to helping others.
| A．invitation | B．expression | C．devotion | D．protection |
All the students______ laughter when David walked into the classroom like Donald Duck.
| A．broke up | B．broke out | C．burst out | D．burst into |
Practice makes perfect. ______Mr Black passed the driving test easily.
| A．As a result | B．In a way | C．What’s more | D．What’s worse |