1 . Guide books are prepared to suit the convenience of the traveler, ________ routes round a city or a site are often suggested.

A．for which	B．with which
C．for whom	D．with whom

2 . （2022年全国甲卷）On the 1,100 kilometer journey, the man Cao Shengkang, ________ lost his eyesight at the age of eight in a car accident, crossed 40 cities and counties in three province.（用适当的词填空）

8 . These days, teachers have been sparing no efforts to create         they hope will be the best means to improve the efficiency of online teaching,         some students don’t notice or care about, though.

A．that, which

B．what, which

C．which, what

D．what, that

10 . China will allow all couples to have three children, ________, in my opinion, is helpful to cope with the increasingly aging society.

A．that

B．which

C．what

D．who