Part n Language Knowledge （45 marks）
Section A （15 marks）
Directions; For each of the following unfinished sentences there are four choices marked A, B, C and D．Choose the one that best completes the sentence．
21．Last week when Susan was going along a quiet road, another car ．her hit her from behind
A．following B．followed C．to follow D．having followed
22．—You see, I'm poor in math, but good at English, while you are good at math, weak in English．
—That's ．we should help each other
A．when B．where C．how D．what
23．Diving has developed into a unique sport which is a combination of gymnastics and ballet
over water．
A．performing B．performed
C．to perform D．to be performed
24．—I like your new shoes !
