Lily is so shy that whenever she is introduced to strangers, she always at them quickly and then looks down at the ground.

If it ______ too much trouble, I’d love a cup of coffee

The manufacturers disclaim all ______ for damage caused by misuse .

Tom and Mary ______polite．They ______listening to music.

What’s wrong with you, Eric You look tired—I _______ to prepare for the final exam last night.