填空题does — 改成done，

单项选择题A．the Works Manager has made a mistake.B．Holder and Bragg has acted dishonestly.C．the Purchasing Manager has made a mistake.D．more spare parts than needed have been used.

填空题as — 改成like。

单项选择题A．share prices reach a record low.B．trading has been suspended twice.C．the world economy is rather weak.D．market mechanisms are not functioning well.

填空题nationally — 改成internationally。