单选题 They went into the meeting room,______ they had a break.

单选题 Does______ matter if we can’t finish this job on time?

单选题 There is no peace______ men are greedy.

单选题 It was______ I caught a cold.

单选题 ______ rich one may be, there is always something one wants.

单选题 The new secretary is supposed to report the manager as soon as she______ .

单选题 Good medicine______ to the mouth.

单选题 Most cars______ display are new products.