Each member country of WTO must its laws and regulations and complete on the principle of fairness and cooperation.
His wife ________him to stop smoking, but he didn’t listen.
The maths teacher told the naughty boys _____ so much noise in class.
A number of books in the library ____ been stolen so that the number of them ____ smaller than before.
Many of them ignored his advice, _______ they knew it to be very useful.
---Be quick! The mid-term exam _________. I must leave for school now.----No rush. The bus _______ at 7:20, so there is enough time left.