There is no doubt _____ short sight is a serious problem among the youth of our country.
| A．which | B．whether | C．what | D．that |
Take your time—it’s just _____ short distance from here to _____ restaurant.
| A．不填；the | B．a; the | C．the; a | D．不填；a |
E-mail , as well as cellphones, _____an important part in daily communication.
| A．have played | B．play | C．are playing | D．is playing |
This kind of storiesinstructive while stories of that kindharmful to children.
| A．is; seems | B．are; seem | C．is; seem | D．are; seems |
We have reached a stage _________we have almost no rights at all.
| A．where | B．why | C．which | D．that |
The little boy_____be very naughty, but he is very lovely.
| A．must | B．should | C．can | D．shall |