Anyway, Jack knows _______ help about tr
题型:选择题
问题:
Anyway, Jack knows _______ help about travelling .
A.who to ask
B.who to ask to
C.who to ask for
D.to ask for who
Anyway, Jack knows _______ help about travelling .
A.who to ask
B.who to ask to
C.who to ask for
D.to ask for who