We don‘t know why so many people in that region like to wear dresses of such __________col

There are so many dresses there that I really don't know ______ to choose.

A) whether B) when C) which D) why

W: I don’t know why we listen to George M: ______I don’t know exctly why, either. B．I guess were wrong this

A．I don’t know exactly why, either．

B．I guess we are wrong this time

C．I know． But perhaps you don’t know why．

D．George,you know, is one of the hardest working students among us．

A.with

B.at

C.for

D.in

A、all the same

B、in the end

C、after all

D、before long

A.Sorry, Ican'tstop

B.I don' t know what to say

C.You' d better not ask

D.I just can' t help feeling worried

A、They don’t know what they are eating

B、They don’t know how they can cook Chinese cuisines

C、They don’t know where they can find a Chinese restaurant

D、They don’t know why Chinese cuisines are so delicious