In my opinion, ________ matters is whether we can win together as a team instead of individuals.
A．how B．it C．that D．what
No student ________ go out of the school campus after 10：00 at night without permission according to the school regulations.
A. shall B. must
C. should D. would
Only after one loses something ________ how precious it is.
A．he will realizeB．will he realize
C．he has realizedD．has he realized
Life is like riding a bicycle. _____ your balance, you must keep moving.
A. To keepB. Keeping
C. Being keptD. Having kept
Peter, though a green hand, has earned not only the trust of his fellow workers but also ________ of his boss.
A．one B．ones
C．that D．those
A few stars from the entertainment industry, such as Ke Zhendong and Fang zuming, have recently been arrested, which shows that drug taking is becoming _____ increasingly serious threat to society.
A. the B. an
C. a D. 不填
