He was about half through his meal ______ a familiar voice came to his ears.
A．why B．where C．when D．while
– What a heavy rain!
– So it is. We have to delay ______ the sports meeting until it is fine.
A．to hold B．holding C．held D．being held
Having gone through several rounds of selection, the young man ______ gained a chance to perform in China Talent.
A．constantly B．unfortunately
C．eventually D．temporarily
– How’s your new class teacher?
– We ______ ask for a better one. All my classmates love him so much.
A．shouldn’t B．couldn’t C．mustn’t D．needn’t
– What makes you so upset, Mr. Wang?
– That John, a student in my class, ______ himself to computer games.
A．withdraws B．undertakes C．conveys D．abandons
Don’t worry too much about ______ mistakes. They are ______ natural part of learning.
A．/; a B．the; / C．/; the D．the; the
