Helen was very rude to me．I refuse to speak to her again __________ she says sorry．（ ）
A．untilB．ifC．becauseD．since
_______ milk is good for your health．（ ）
A．DrinkingB．DrinkC．DrinksD．drank
We should talk ________in public places． It's very impolite to shout．（ ）
A．loudlyB．quietlyC．slowlyD．quickly
Which of the following is harmful to your eyes if you keep doing it for a long time？（ ）
A．
B．
C．
D．
Can I help you， madam？
________． I want to buy a shirt for my son．（ ）
A．No， thanksB．I'd love to
C．Yes， pleaseD．Never mind
Julie is only eleven years old， but she is ________ than her mother．（ ）
A．tallerB．tallestC．olderD．oldest