― Let me help you carry the box.― No, thanks. It’s big, ________ there is nothing init.

ny years, people __ electricears However, making them has been more difficult than predicted

We forbid ______ in the lecture hall, so you are forbidden _____ here

From her__________face,I knew that she must have gone through many hardships.

Many birds fly away because plants die and insects hide_____ coldness_______ winter.