Beijing Expo 2019 opened to the public ________ 29th April． It will last over five months．（ ）
A．atB．inC．onD．of
We can search the Internet for all kinds of information．
But you can't believe ________ on the Internet．（ ）
A．somethingB．anythingC．everythingD．nothing
Those are Jenny's parents．
Really？ They________young．（ ）
A．lookB．tasteC．smellD．sound
_______ 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．