Oct. 1, 1949 is the day ________ our P. R. C. was founded.

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Tian'anmen Building is the place ________ Chairman Mao Zedong announced that our P. R. C. was founded.

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We laugh at jokes，but seldom　　　　　 about how they work．_{w_w*w.k_s*5_u.c_o m}

　 A．we think　　　 B．think we　　　

C．we do think　 　　D．do we think

How much one enjoys himself travelling depends largely on　　　 he goes with，whether his friends or relatives．_{w_w w. k#s5_u.c o*m}

A．what　 B．who　 C．how　 D．why_{w_w*w.k_s*5_u.c_o m}

Such poets as Shakespeare　　　　　　　　　 widely read，of whose works，however，some　　　　　　 difficult to understand．_{w_w w. k#s5_u.c o*m}

　 A．are；are　 B．is；is　 C．are；is　 D．is：are