I'm sure it is（ ）usually answers the telephone.

If the company（ ）overseas, it would have been more competitive.

We are a CPA firm（ ）good business application software for microcomputers.

We are confident that most of the committee members will agree（ ）our plan.

We would like to know（ ）you can guarantee delivery within one month after receipt of order.

It is（ ）good chance （ ）we mustn't miss it.

​Business grows（ ）at this time of the year.

Having completed twenty years of service , （ ）。

I think the firm's difficulties are（ ）bad management and overtrading.

Hardly（ ）of the proofs have been checked.