﹣We won the match at last because of good teamwork．
﹣ ．One tree can't make a forest．（ ）
A．That's trueB．That's all right
C．It's hard to say
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