I thought she was the very girl that Ishould marry _______ I met her

Luggage may not be brought into the building ________ a guard has checked it first.

It is every citizen’s duty to go out to ______ the snow on the street______ it stops falling so as to make it convenient for traffic to pass. [ ]

There are differences in spelling and pronunciation_______ AmE and BrEThat means AmE is more or less different _________BrE

(2013·哈尔滨四校高三统一检测)Williams shows some challenging means ________ diners at their mystery lunch on Sunday might eat the special dish.