I found ________difficult for me to finish the work on time.
A.that B.it C.this
You can surf the Internet _________ you want to know more about the 2020 World Middle School Games.
A.if B.although C.until
____ _________beautiful city!
____Yes. Tourists from all over the world come to visit it every year.
A.How B.What C.What a
—When are we going to see the movie Zoo Topia, this afternoon or tonight?
—________ is OK. I’m free today.
A.Either B.Both C.Neither
We all know that ________ birds fly to Dongting Lake in winter.
A.million B.millions C.millions of
I read ________ unusual story last night. ________ story is about Dr. Zhong Nanshan.
A.an；A B.a；The C.an；The
