In recent years the consumption of aspirin _______ enormously in America.
A was increasing B. has increased C. had increased D. will be increasing
--- Tony, you must have noticed the student who broke the glass．
--- I’m sorry．I attentively．
| A．studied | B．was studying | C．am studying | D．would study |
The policeman scolded the driver for turning without a ．
| A．symbol | B．mark | C．signal | D．chance |
I was chatting on the Internet last night when I smelt somethingin the next room．
| A．burning | B．to burn | C．be burnt | D．to be burnt |
---Tom has been fired by his boss．
--- ? As far as I know, he is a hardworking and considerate fellow．
| A．Why not | B．How come | C．What then | D．So what |
Annoyed by the salesman’s bad manners, John chose of the two computers on sale and left．
| A．all | B．either | C．neither | D．none |