Mike is excellent in math, _________, he didn’t pass the final exam this time.
| A．for example | B．believe it or not |
| C．as usual | D．as a matter of fact |
---Hi, Tracy, you looked tired.
---I am tired. I______the living room all day.
| A．painted | B．had painted | C．having been painting | D．have painted |
______I understand your viewpoint, I don’t agree with it.
| A．Unless | B．Since | C．Before | D．While |
Do you know when the Great Wall _________?
| A．was come into being | B．came into being |
| C．had come into being | D．had been come into being |
He tried his best to solve the problem, _______difficult it was.
| A．no matter | B．no matter how | C．whatever | D．although |
This film_________ the scenes of my childhood.
| A．called up | B．called on | C．called out | D．called for |