He found that complex problems, especially those _____ abstract thinking, were best for picking out bright and dull students.
| A．involve | B．involved | C．involving | D．being involved |
--How many students are there in your class___________?
--Forty-five.
| A．at all | B．in total | C．in the end | D．in the total |
Without good instructions of the teacher, you will be likely to___________ a lot of bad habits while you are practising the piano.
| A．pull up | B．take up | C．pick up | D．bring up |
It's worth downloading, because it's free and doesn't__________ a lot of disk space.
| A．take up | B．take off | C．take over | D．take in |
29-year-old Yicheng mayor named Zhou Senfeng was__________ by a great many netizens that he had copied someone else' papers.
| A．questioned | B．witnessed | C．envied | D．confirmed |
The news from Shanghai Expo garden yesterday said the main structure of Hubei museum has been_____________.
| A．completed | B．achieved | C．constructed | D．concluded |