Thomas has already finished his report on fighting against pollution. （改为否定句）
Thomas _________ finished his report on fighting against pollution _________.
—Have you heard the news about him? He won a lottery(彩票)! —_________
A.What a lucky dog! B.It’s hard to say. C.It’s lovely. D.That’s a good idea.
—Thanks for sharing your masks with us! —_________.
A.That’s right. B.Never mind. C.My pleasure. D.I'd like to.
_________ it was a hard journey, the young men didn’t give up halfway.
A.Since B.When C.Unless D.Although
The twins have never been to any other city since they were born, _________?
A.haven’t they B.have they C.don’t they D.do they
_________ great fun it is to gather with close friends, chatting and laughing!
A.How a B.What a C.How D.What
