The new machine ought to (test) ______ before it is put to use.be tested新机器在使用之前

游客2023-10-09 85

问题 The new machine ought to (test) ______ before it is put to use.

选项

答案 be tested

解析新机器在使用之前要先做测试，根据句意，这里应该用被动语态。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3085883.html

相关试题推荐

随机试题

最新回复(0)

WhowillbeconsultedbeforetheEUlistissubmittedtotheWTO?[br][origina