You have already tried your best, so you _____worry too much about the exams.
| A．can’t | B．needn’t | C．mustn’t | D．shouldn’t |
_________ March 28, about 20 Chinese cities turned off lights of major buildings for one hour.
| A．At | B．In | C．On | D．Of |
There isn’t _____in today’s newspaper.
| A．new something | B．something new | C．new anything | D．anything new |
He often rides a bike to school , but I _______to my school.
| A．by bus | B．on a bus | C．by a bus | D．take a bus |
—Shanghai is really a beautiful city and there are many places of interest.
—So it is. Why not _______ here for a long time?
A. stay B to stay C. staying D. stays
--- ______ do you live from your school?
--- About five minutes’ walk.
| A．How long | B．How far | C．How often | D．How soon |