问题

______ this is your first visit to Shanghai, let me show you around the city.

A: lthough
B:Since
C:Unless
D:When;

正确答案是：

同类题型

People usually like the TV channels (频道) with funnier programmes but _______ advertisements.

it is to have a cold drink on such a hot day!

wyers, volunteers from the Libyan Red CrossSociety also joined the efforts in helping the Chinese go home safely

_________with the size of the whole earth, the biggest ocean does not seembig at all[ ]

－Could you tell me _________ －He rides his bike.