单项选择题

There are several ways（）we can cross the river without the help of local villagers.

A.in which
B.across which
C.to which
D.on which

相关考题

The body needs fat to keep it （）the col...

单项选择题The body needs fat to keep it （）the cold during the long winter months.

A、between
B、from
C、for
D、out