English ______ a lot for business between different countries.

1. A.
   uses
2. B.
   used
3. C.
   has used
4. D.
   is used

Some students think that _____ English songs helps to improve their English a lot.

A．singing           B．sang              C．sing              D．sings

He________ an English club last year and has improved his English a lot.

A. protected               B. produced               C. joined                      D. received

—Do you think _________English songs helps to improve your English a lot?

—Yes, I think so.

A. listen to????? B. listening???????? C. listening to?????? D. to listen

His English ________ a lot since he took the course.

A. improved??? B. was improved? C. has improved?? D. has been improved