Leave your key with a neighbor ________ you lock yourself out one day.
A．ever since B．even if C．soon after D．in case
Forests ________ and burned at such a speed that they will disappear from the earth in the future.
A．cut B．are cut C．are being cut D．had been cut
—I’ve got a cough and my chest hurts.
—________.Let me examine you.
A．Don’t mind
B．You should learn to protect yourself
C．Take it easy
D．Keep calm.You will recover soon
What I need is ________ book that contains ________ ABC of oil painting.
A．a；/ B．the；/ C．the；an D．a；the
Sam insisted that he________ the law and________.
A．didn’t break；mustn’t be punished
B．doesn’t break；shouldn’t punish
C．hadn’t broken；be not punished
D．hadn’t broken；not be punished
—________ when has the country been open to international trade?
—1978，I suppose.
A．Since B．In C．From D．After
