Visitors from the US have increased______8 percent since last year.A．inB．byC．withD．from

Most of us, from earliest school days, have been told that daydreaming is a waste of time.

Which of the following can be inferred from the passage？A．The value of dollar will increas

All of us have an obligation to speak out. We may come from different backgrounds and fait

Robots have ______ humans from heavy work and offer us much more free time.A．freedB．be fre

It is not so much being exempt from faults______them that is advantage to us.A．as having o

I wonder why Jenny ________ us recently. We should have heard from her by now. A.hasn’t writtenB.doe