Question 33: Do you have a food processor at your house?

A. Is there a food processor at your house?
B. Does a food processor have your house?

C. Is a food processor good?

D. Why don’t you buy a food processor?

Question 34: We can use a solar charge for charging mobile devices.

A. A solar charge can used for charging mobile devices.

B. A solar charge can use for charging mobile devices.

C. A solar charge can be used for charging mobile devices.
D. A solar charge can be for used charging mobile devices.

Question 35: It’s convenient to use correction pen for correcting errors.

A. Correcting errors is convenient to use correction pen.

B. Correction pen is convenient for correcting errors.
C. To use correction pen is correcting.

 D. It’s correction pen to use for correcting errors.