The conference has been held to discuss the effects of tourism ______the wildlife in the area.
A. in B on C. at D. with
My brother is always making good use of the time _______ he can spare.
| A．when | B．in which | C．while | D．that |
There was a teapot fashioned like a duck ,out of _____open mouth the tea was supposed to come out .
A whichB whoseC its D that
The repair work of Angkor Wat _____would last at least 10 years was completed within 8 years .
A which people supposedB which people supposed it
C which people supposed that is D people supposed that
The play went along well until the middle of Act 2 ,_____the excitement began .
A soB but C when D which
He is a man with rich experience , from ______much can be learned .
A whom B which C whereD what