Her sister left home in1998, and since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has been heard of |
The matter__________your study surely requires__________carefully.
| A．relating to；dealing with | B．related to；dealt with |
| C．related to；being dealt with | D．relating to；having dealt with |
__________in her best suit，the girl tried to make herself __________at the party.
| A．Dressed；noticed | B．Dressing；noticing |
| C．Dressed；noticing | D．Dressing；noticed |
__________ with the size of the whole earth，the highest mountain doesn’t seem high at all.
| A．When compared | B．To compare |
| C．While comparing | D．It compared |
—You __________part in the party on time.
—Sorry，I was delayed by the accident.
| A．are to take | B．have supposed to take |
| C．were to have taken | D．supposed to take |
__________everything to go wrong in advance，and you won’t feel quite so bad when it does.
| A．Having expected | B．Expect |
| C．To expect | D．Expecting |