任江南江北7. Stories of the Long March _______ popular with the young people now.
A. is B. was C. are D. were
8. Mathematics _______ the language of science.
A. are B. are going to be C. is D. is to be
9. Both rice and wheat _____ grown in our country.
A. is B. are C. was D. were
10. ________ either of your parents come to see you recently?
A. Have B. Had C. Has D. Is
