The clever boy called 120______his mother fell down in the kitchen.( )
A.althoughB.as soon asC.as long asD.until
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
Must we finish the homework now?
Our teacher doesn't ask us to. ( )
A.Yes, we mustB.No, we mustn't
C.No, we needn't
It is said that BRT(快速公交系统) in Yongzhou soon. ( )
A.was usedB.will be used
C.is used