It was lack of effort, not of money, _____resulted in their failure

The School Art Festival has set up a stage ______students can show their talents.

The teacher was angry and had Tom ___ the exercises again.

Some people create jobs, foster(滋生）excitement and basically make the system work. They see possibilities ______ others see only problems.

The questionnaire takes ______ ten to fifteen minutes to complete and can be used along with the assessment interview.