( )(4) 当你不赞同对方想法时,应说:A. I don’t know . B. I don’t think so .
-Can I go in? -________A. No,I don't. B. Yes,I am. C. Yes,you can.
There are ________ public signs in the park.A. a lot of B. lot of C. a lots of
Listen,read and say
Nancy is talking about the signs_______her friends.A. with B. in C. about
He always______ a lot of questions.A. have B. has C. is