问题
I regret ______ that I’m too busy ______ inthe talk.
A:to say, to participate
B:saying, participating
C:to say, participating
D:saying, to participate
B:saying, participating
C:to say, participating
D:saying, to participate
正确答案是：
同类题型
The operation is _____ success and thepatient is now out of _____ danger.
you read me a story,Mummy–OKYou________have one if yougo to bed as soon as possible
An increasing number of countries have been ________China as a threatening power recently.
didn’t you come to Mike’s birthdayparty yesterday— Well, I ____, but I forgot it.