Can you catch what the teacher said, Erick —Sorry, I can ___________ understand it .Because she speaks very quickly.

The governments should the use of new types of energy to make a greener world.

. I had to ______ because someone else wanted to use the phone.

Temperatures in the United States ________ measured according to the Fahrenheit Scale, on which 32 degrees ______ the freezing point of water and 212 degrees the boiling point．[ ]

mputer was used in teaching Asa result, not only__________, but students became more interested in thelessons