_____ he promised that he wouldn’t be late，he didn’t arrive until the end of the party．
| A．Since | B．Although |
| C．Because | D．Until |
“What’s your opinion on the matter, please？” “Oh, sorry, I _______.”
| A．wasn’t to listen | B．haven’t listened |
| C．wasn’t listening | D．hadn’t listened |
—Li Lin is very bright and studies hard as well.
—It’s no ______ he always gets the first place in any examination.
| A．question | B．doubt |
| C．problem | D．wonder |
“I took part in the TOEFL. It was really hard.” “Did you ______ a lot？”
| A．Have you studied | B．Did you study |
| C．Had you studied | D．Do you study |
_____ is a good form of exercise for both young and old.
| A．Walk | B．Walking |
| C．The walk | D．To walk |
You ______ television. Why not do something more active？
| A．always watch | B．are always watching |
| C．have always watched | D．have always been watching |