David, if you learn Chinese ________ a different way, you won’t get bored.

A. on B. for

C. by D. in

—Please come over to have dinner ________ you have time.

—Thank you. I will.

A. although B. unless

C. because D. whenever

The little lion has grown up and it’s able to find food by ________.

A. itself B. it

C. themselves D. them

Cindy’s parents encouraged her ________ to dance when she was very young.

A. learn B. learned

C. to learn D. learning

Nick got an A in the math test. His parents were happy and said he _______ a lot.

A. competed B. laughed

C. communicated D. progressed

After hearing the scary story, the little kid hid behind the door and shook with ________.

A. stress B. surprise

C. laughter D. fear

There are many cars in the street. It’s not ________ for children to play there.

A. free B. safe

C. crazy D. useful

Joe, you should give up playing computer games. It’s ________ a waste of time.

A. suddenly B. hardly

C. simply D. heavily

—What do you think about Maria?

—Oh, she’s as ________ as her sister.

A. friendly B. more friendly

C. most friendly D. the most friendly

Hangzhou is a beautiful city. ________ people visit it every year.

A. Three thousands B. Thousand of

C. Thousands of D. Thousand