Large quantities ofinformation as well as some timely help ___________ since the organization wasbuilt.

We had better not bother our professor these days, for he is awfully busy preparing a report _____ atan international conference next month.[ ]

Inviting James and Ivan to dinner on the same evening _____ a terrible disaster — they always argue with each other, which _____ us annoyed.

Lisa speaks very good Chinese. —Yes. She has ________ China for quite a few years.

It is known to all that every minute ____ full use of____ the lessons will benefit students a great deal