— you were so late this morning?—I forgot to set the alarm before going to bed last night.
| A．Why | B．How come | C．How about | D．How |
—You’ve finally figured out the puzzle!
—Yeah, in a complex way, _____．
| A．too | B．though | C．either | D．yet |
—I’m terribly sorry, Lucy．I’ve left your notebook at home．
—_____? I reminded you last night．
| A．So what | B．Why not | C．How come | D．What if |
_____ we have finished the course, we shall start doing more revision work.
| A．For | B．Ever since | C．Now that | D．By now |
I’ll never forget the days ______ I spent on the farm.
| A．when | B．that | C．in which | D．in that |
I meant to help him . ______， he didn’t accept my offer.
| A．But | B．As a result | C．Therefore | D．However |