______ of danger in the street at night, she had to go home, with a friend _____ her.
A．Warned ; accompanied B．Warning; accompanying
C．Having warned; accompanied D．Having been warned; accompanying
Private cars are required to take turns off roads one out of five weekdays ___the traffic pressure.
A．relieve B．relieving C．torelieve D．relieve
_______ I accept the gift or refuse it is none of your business.
A．If B．Whether C．Even if D．No matter when
John once worked in a remote mountain village school, which is ______ only on foot.
A．accessible B．acceptable C．available D．appropriate
In our class there are 46 students, ______ half wear glasses.
A．in whom B．in them C．of whom D．of them
— Guess what ! Alice has failed in the exam.
—_____? She is second to none in English in our class.
A．How is it B．How come C．What D．What is it
