WE HAVE TO TRY HARDER SO THAT OUR HANDICRAFTS CAN KEEP _____ THEIR...

Tiếng Anh ĐỀ KIỂM TRA GIỮA KÌ I MÔN: TIẾNG ANH 9

12. We have to try harder so that our handicrafts can keep _____ theirs.A. on B. up C. up with D. up down