Never be too proud. There is always _____ room for improvement to become perfect.

A.a B.an C.the D./

Tom and I both got an e-dictionary. His e-dictionary is cheaper than _____.

A.me B.my C.myself D.mine

With great efforts and a strong will, the teenager has made a lot of ______.

A.progress B.achievement C.complaint D.friend

Some learners listen to BBC to improve English, while _____ may prefer American shows.

A.other B.the other C.others D.another

_____ special idea to show the hot social problems in the movie!

A.What B.What a C.What an D.How

To get enough fresh water, people remove salt _____ sea water in some areas.

A.into B.from C.above D.against

Reading is one of ________ and useful skills a human being can pick up.

A.enjoyable B.more enjoyable C.most enjoyable D.the most enjoyable

The toy company has promised ________ all the models from non-plastic materials.

A.make B.making C.to make D.made

In the past 10 years, the American artist ________ many wonderful cartoon characters.

A.created B.has created C.was creating D.had created

It was said that tea didn’t appear in the western world ________ the early 17th century.

A.until B.since C.before D.after