问题

ime _____ siting at a desk, office clerks are generally troubled by various health problems.

A:being spent
B:having spent
C:spending
D:spent;

正确答案是：

同类题型

That they would win had been predicted and _________.

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A cough is usually nothing to worry about unless it lasts for ten days ____.

Doing lots of listening practice is one of ways of becoming good language learner.

_______ interested in the position are asked to see themanager tomorrow