Tommy，______play basketball in the street next time．You may get hit by a car．（ ）
| A． |
do |
B． |
don't |
C． |
must |
D． |
mustn't |
Have you heard about the TV program Reader is very popular now？（ ）
A．whichB．whoC．where
Frank will fall behind in studies he works hard from now on．（ ）
A．unlessB．becauseC．if
Could you tell me by Wechat？（ ）
A．what can we doB．what we can do
C．what do we do
David， make trouble at school． （ ）
A．can'tB．don'tC．doesn't
Tony， come on， we'll miss the World Cup．（ ）
A．soB．andC．or