It's reported that 31 of the brave young men ______ in a big forest fire in Sichuan.
I don't know who they are, but I know who they are for.( )
A.were killingB.were killed
C.killedD.had killed
Mum, I've signed for a big box by Future Express(快递). What' s in it?
I'm not sure. It________ be a present from your brother. ( )
A.mightB.mustC.shouldD.will
It has been much easier for me to go to work________ shared bikes appeared.
But they also caused plenty of problems.( )
A.sinceB.beforeC.unlessD.though
Who is the space scientist from Beijing?
The man______ white over there. He's of medium height.( )
A.withB.inC.orD.for
Johnny, it's noisy outside. Go and see what's going on._____________.
I'm answering a call.( )
A.Just a minuteB.One more time
C.Let's goD.That's fine
Excuse me, I am doing a survey. May I know to pay?
About five times a week.( )
A.when you choose WeChat
B.whether did you try We Chat
C.how often you use WeChat
D.why do you prefer We Chat