Occasions are quite rare____I have the time to spend a day with my kids.A who B which C why Dwhen
The matter__________your study surely requires__________carefully.
__________in her best suit,the girl tried to make herself __________at the party.
__________ with the size of the whole earth,the highest mountain doesn’t seem high at all.
—You __________part in the party on time. —Sorry,I was delayed by the accident.
__________everything to go wrong in advance,and you won’t feel quite so bad when it does.