I _______ my hometown for a long time. I really miss it!

is the most widely used resource in ______industry, and plays ______ major role in energy production.

The earthquake ______ when I _______some cleaning.

You don’t have to be angry with him He ________ wanted to know the truth

When you are _______ about which button to press on the complicated machine, you can either read the user’s guide for guidance or fax us for specific instruction. Don’t ______ the trial-and-error method.[ ]