Alex was proud of his father. He wrote many articles about him. （合并成一句）
Alex was _________ proud of his father _________ he wrote many articles about him.
To leave us a good impression, Kitty put on her prettiest dress for the party.（对划线部分提问）
_________ _________ Kitty put on her prettiest dress for the party?
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
