—You can't imagine ________ fantastic fun online chatting is.
—Really？But it may cause a lot of trouble sometimes.
| A．what A | B．how | C．why | D．so |
There were many more people who got injured in the big fire than ____.
| A．was reported | B．it was reported |
| C．were reported | D．they were reported |
_______ of water makes Death Valley a desert, but it is by no means devoid.
| A．Lacking | B．Being lack | C．Because of lack | D．Lack |
There are some police cars in front. What do you suppose ____?
| A．is the matter | B．is happened | C．is the wrong | D．the trouble is |
The great use of school education is not so much to teach you things ___ to teach you the art of learning.
| A．as | B．that | C．than | D．but |
Modern science and technology has ___ communication between people far apart.
| A．made convenient | B．made it convenient |
| C．made it convenient for | D．made it convenient to |