About one third of the population in Beijing and Shanghai_________ netizens, but in poorer areas, only three or four percent _________online.
A. is; is B. are; are C. are; is D. is; are
Professor Smith, along with his assistants, on the project day and night to meet the deadline.
A. work B. working C. is working D. are working
On each side of the street _______a lot of trees.
A. stands B. stand C. is standing D. are grown
No freshman and no graduate _______ to sit in on the forum.
A. are allowed B. is allowed C. are agreed D. is agreed
E-mail, as well as telephones, ____an important part in daily communication.
A. is playing B. have played C. are playing D play
The company had about 20 notebook computers but only one-third ___________ used regularly. Now we have 60 working all day long.
A. is B. are C. was D. were
