In the US, students can do almost anythingthey want in class, ____ they don’t make too much noise or disturb others whowant to learn from the teacher.

I ______ take an English exam next Tuesday.—______ you have taken everything you need.

The houses for the low-income families _______ at present in our city will be completed next year.

What are the kids doing?— They ______ flowers in the garden.

.The public ______ generous in theircontributions to the earthquake victims.