The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
| A．to be invented | B．having been invented |
| C．invented | D．to have been invented |
相关试题
What the leader referred to in the report was really something _______.
| A．worthy to be considered | B．worth to be considered |
| C．worthy of considering | D．worth being considered |
The pen I _______ I _______is on my desk, right under my nose.
| A．thought; had lost | B．think; lost | C．think; had lost | D．thought; have lost |
John may come to see me tonight. I can’t go to the movie with youhe visits.
| A．as long as |
B．in order that | C．because | D．in case |
After he retired from office, Rogers _______ painting for a while, but soon lost interest.
| A．saved up | B．took up | C．kept up | D．drew up |
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