229. Look! The shop isn’t open yet. We _____.
| A．needn’t hurry | B．don’t need to hurry |
| C．must have hurried | D．needn’t have hurried |
The best way to deal with complex problems is to _______ them _____ into smaller problems.
| A．break; down | B．break; in | C．break; out | D．break; through |
We were sad to learn that several students were by a car yesterday.
| A．hit out | B．knocked over |
| C．run across | D．picked up |
children believe they can succeed, they will never become totally independent．
| A．If | B．Though | C．Unless | D．When |
The climate conference was attended by 11,000 people, it the largest UN gathering ever held.
| A．making | B．to make | C．made | D．to be making |
Bob's lectures a fairly wide range and I can't sum up what he says in a few sentences.
A. covered B. conveyed C. considered D
. commanded