No product is allowed to go into the market if it fails to _____ the quality standard.
A. live B. come up to C. meet D. go through
When was it _____ your parents took you to Hangzhou?
A. before B. if C. which D. that
It is everyone’s duty to ______ our school a pleasant place to learn in.
A. find B. set C. keep D. make
Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company .
A. worked B. has been working C. is working D. works
______ me the truth, or I’m not going to leave the room.
A. Tell B. Telling C. To tell D. If you tell
It is said that the weather will ______ hot for another three or four days.
A. look B. last C. stay D. get
