Daily homework is necessary，__________ too much homework may bring harm to students．（ ）
A．soB．butC．forD．or
I'm sorry I took your school uniform by mistake． But where is ？
Don't worry． Let me help you find it．（ ）
A．heB．hisC．mineD．yours
Zanco， American tech company， made tiniest phone in the world﹣the Tiny 11．（ ）
A．the； aB．an； /C．/； aD．an； the
He explained again and again in order to make what he did ．（ ）
A．understandB．understood
C．to understandD．understanding
Could you tell me how to pay for the food by QR code（二维码）on the phone？
．（ ）
A．Take it easyB．It doesn't matter
C．You're welcomeD．Sure． I'd love to
If you keep practising speaking French every day， you'll be better at it．
．（ ）
A．Practice makes perfect
B．Many hands make light work
C．Put all your eggs in one basket
D．Burn the candle at both ends