29．________________ how to work out the math problem.

A．Only our monitor knew 　　　　　　　　　　　　　　　　 B．Only did our monitor know

C．Our monitor only did know 　　　　　　　　　　　　 D．Only did know our monitor

28．It was hard for him to learn English in a family, in which _____ of the parents spoke the language．

A．none　　 　　　　　　　　 B．neither 　　　　　　　 c．both　　 　　　　　　　　 D．each

27．Last month, part of Southeast Asia was struck by floods, ______ effects the people are still suffering.

A．that　　　　　　　　　　　　　 B．whose　　　　　　　　　　　 C．which　　　　　　　　　　　　 D．what

26．It is said that there are millions of camels in India and ______ of them is still increasing.

A．the number 　　　　　 B．the amount 　　　　　 C．the quantity 　　　　 D．a number

25．In that big fire all their houses were _____ , so they had to build new ones.

A．hurt 　　　　　　　　　　　　 B．harmed 　　　　　　　　　 C．destroyed　　　　　　　　 D．fallen

24．Allow children the space to voice their opinions, _______ they are different from your own.

A．until　　　　　　　　　　　　　 B．even if　　　　　　　　　　　 C．unless　　　　　　　　　　　 D．as though

23．With two children ________ college in the nearby city, the parents have to work very hard to earn enough money to pay for their education．

A．attended 　　　　　　　 B．attending 　　　　　　　 C．joined　　　　　　　　　　　 D．joining

22．Iraq has _______ too many wars since 1990, making his people ______ a lot．

A．got through;　 pay　　　　　　　　　　　　　　　　　　　　　 B．looked through;　 face

　　　　 C．gone through;　 suffer　　　　　　　　　　　　　　　　　 D．passed through;　 destroy

21．There was ____ time ____ I often played truant from school．

A．a; that 　　　　　　　　　　 B．a; when 　　　　　　　　 C．the; that 　　　　　　　　 D．the; when

20．After the earthquake, the whole city ________ a battlefield．

A．claimed　　　　　　　　　　 B．resembled　　　　　　　 C．remained　　　　　　　　 D．accomplished