There is a small group of words which even some native speakers and writers of English find ______.
| A．puzzling | B．to be puzzled | C．to puzzle | D．puzzle |
Youto ask the teacher if you want to hace a day off.
| A．are supposed | B．suppose | C．are allowed | D．allow |
His explanation was so confusing that I could hardly make anyof it at all.
| A．meaning | B．sense | C．idea | D．significance |
There is a big library in our city. There are more than twiceten years ago.
| A．books than | B．many books than | C．as many books as | D．as books as |
Humans go againstnature soenvironment is getting worse and worse.
| A．the ; an | B．/;an | C．the;the | D．/;the |
—I’m consideringto Qingdao by air for my holiday.
—Why not tryby ship for a change?
| A．going;to travel | B．to go;to travel |
| C．going;travelling | D．to go;travelling |