The tourists, had enjoyed themselves so much in the botanic garden, were worn out
#75647
A
all of what
B
all of which
C
all of them
D
all of whom
推荐题目
Mark Twain worked for several years as a pilot on a steamboat, taking passengers up anddown the Mississippi, the great river ___flows from the north of the US near the Canadianborder.
#77611
A
as
B
what
C
which
D
who
It is recognized that the part ___ the UN plays in international relations is important.
#76004
A
in which
B
where
C
that
D
of which