问题
选择题
Trouble was expected at the football match, so the police truned out________force.
A． under
B． on
C． in
D． by
答案
答案：C
考查force与介词的搭配。In force大批地。句意：预计足球比赛中会出现麻烦，因此警察大批出现。by force 通过武力；与题意不符。under和on不与force连用。