Question

Fill in: into, from, in.
1. We continued our research_____ the cause of the illness.
2. He had cheated ____ the test by using a calculator.
3. Jerry graduated _____ high school last year.

Answer 1

1. We continued our research into the cause of the illness.

2. He had cheated on the test by using a calculator.

3. Jerry graduated from high school last year.