Which of the following is harmful to your eyes if you keep doing it for a long time？（ ）
A．B．
C．D．
AlphaGo has beaten the top professional go（围棋）player．So many people think it's_____go player in the world．（ ）
a good
a better
the best
Is that man Mr．Zhang？
It____be him．He went to Beijing for a meeting yesterday．（ ）
can't
mustn't
needn't
Lily，where is your father now？Go and get him for lunch．
Just a moment，please．Father______a phone call in his room．（ ）
makes
is making
was making
It's windy outside，_____your jacket，Bob．Don't catch a cold，（ ）
try on
put on
take off
The woman______is singing on the TV show is our English teacher．（ ）
who
which
whose
B．
D．
B．D．
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