问题
选择题
Travelling by air may be ______, but not so ______. [ ]
A.quicker, cheaper
B.more quickly, cheap
C.quicker, cheap
D.more quickly, cheaper
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Travelling by air may be ______, but not so ______. [ ]
A.quicker, cheaper
B.more quickly, cheap
C.quicker, cheap
D.more quickly, cheaper
答案：C