The craze fans ________ outside the hall, and they will wait till the movie star comes.
| A．were waiting | B．are waiting | C．waited | D．had waited |
One learns a language by making mistakes and________ them.
| A．correct | B．correcting | C．corrects | D．to correct |
good manners to say “Sorry” when you knock into someone butno need to say it again and again .
| A．There are ; there is | B．It is ; there is | C．There is ; it is | D．It is ; it is |
This kind of picture storiesworth reading , but novels of that kindnot worth reading .
| A．are ; is | B．is ; are | C．are ; are | D．is ; is |
Technology is developing so rapidly thatfor only a year , my cellphone is out-of-date .
| A．using | B．having been used | C．having used | D．is using |
First he made a list of the names of those.Then he began to write the invitation cards .
| A．to invite | B．to be invited | C．invited | D．have been invited |