—This article is too hard to understand. I wonder ______.
—Maybe you can turn to Mr.Wu. He reads a lot and is ready to help.
A.who I can ask for help B.whether I can ask for help
C.who can I ask for help D.whether can I ask for help
-- You should do what you can your English, Li Ming.
-- Ok, I will. Thank you, Ms. Hu.
A.improve B.to improve C.improving D.improved
High-speed railways have developed rapidly in our country. Today China has ______ high-speed rail network (铁路网) among the countries in the world.
A.long B.longer C.the longer D.the longest
--- Mom, where is my model plane?
--- Oh, it ______ to Jenny yesterday.
A.is lent B.lends C.was lent D.lent
—Jerry, have you ever been to the Great Wall?
—Yes. I ______ there with my parents last year.
A.go B.went C.will go D.have been
—Listen! It's raining ______ outside.
—Wow, look! The yard is full of rainwater now!
A.strongly B.hardly C.greatly D.heavily
