Despite their______of interest, Fleming kept trying to develop chemical ______ it would be safe and effective.
| A．lack, so as to | B．lacking, so as to |
| C．lack, so that | D．lacking, so that |
--- How do you want to post it?
--- It is only printed matter;_______ mail is OK.
| A．general | B．ordinary |
| C．necessary | D．partial |
---Do you know what a computer system ________ ?
---Hardware and software. Am I right?
| A．consists of | B．consists in |
| C．is consisted of | D．is consisted in |
Michael’s new house is like a huge palace, _______ with his old one.
| A．comparing | B．compares |
| C．to compare | D．compared |
_____ of the city ____ destroyed in the war that broke out in 1945.
| A．Two-thirds, were | B．Two-thirds, was |
| C．Two-third, was | D．Two-third, were |
The new dictionaries are very useful. They well and already.
| A．sell; have been sold out | B．sold; has sold out |
| C．sell; sell out | D．are sold; have been sold out |