The relations between my parents have become difficult． What should I do？
You could do more jobs around the house so that they have more time for proper____．（ ）
A．instrumentB．communication
C．community
The professor reached Nanjing last Wednesday． He there for 10 days．（ ）
A．has beenB．has got
C．has reachedD．has arrived
My sister is planning to have a second child next year．
good idea it is!（ ）
A．WhatB．What aC．HowD．How a
Have you watched the movie Operation Red Sea？
Not yet．I it with my friends tomorrow．（ ）
A．watchB．have watched
C．will watchD．am watching
The World Cup Russia this year must be wonderful．（ ）
A．onB．inC．atD．to
We drive after drinking． It's very dangerous．（ ）
A．canB．mayC．needn′tD．mustn′t