28. He raised a suggestion at the meeting, ____ well worth considering.
| A．which I think is | B．which I think it is | C．I think is which | D．I think it is |
We all sighed with relief when plane finally landed safely.
| A．a;不填 | B．不填;the | C．a;a | D．a;the |
It was ____ loud music that we couldn’t hear ourselves speak.
| A．such a | B．such | C．so | D．so a |
---I’m very sorry to have ___ you with so many questions.
---It doesn’t matter.
| A．forbidden | B．excused | C．impressed | D．bothered |
That couldn’t be better means____.
| A．That wasn’t good | B．That’s exellent news |
| C．That could be worse | D．Well done |
Two years ago I broke my arm ____ football.
| A．when playing | B．while played | C．played | D．having played |