Ifhekeepsonworkingsohard,he’ll

问题详情：

If he keeps on working so hard, he’ll ______ under the pressure of work.

          k down         g down                 k out                    k into

【回答】

A  break down出故障，(健康状况)变得恶劣；bring down*，打垮，击败；break out爆发，发生；break into强行闯入。故选A。

知识点：动词和动词短语

题型：选择题