Thestudentsvisitedazoolastweekandcouldn'
题型:选择题
问题:
The students visited a zoo last week and couldn't believe ______ they saw. [ ]
A. that
B. what
C. which
D. /
The students visited a zoo last week and couldn't believe ______ they saw. [ ]
A. that
B. what
C. which
D. /