The new plane will _______ a series of test flights in the first half of 2008.
| A．put forward | B．deal with | C．hold up | D．go through |
相关试题
When ______ comes to research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.
| A．that | B．it | C．this | D．what |
One of the best ways for people to keep fit is to ______ healthy eating habits.
| A．grow | B．develop | C．increase | D．raise |
The building around the corner caught fire last night. The police are now ______ the matter.
| A．getting through | B．worki ng out |
C．looking into | D．watching over |
A survey was carried out on the sleep time of students in middle schools, ______ were surprising.
| A．its results | B．whose result | C．the results of which | D．of which results |
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