Despite other scientists' __________ of interest, Fleming kept trying to develop the chemical __________ it would be safe and effective.
| A．lack； so as to |
| B．lacking； so as to |
| C．lack； so that |
| D．to lack； so that |
I asked for some more cake，but there was ________ left.
| A．no one | B．none | C．a little | D．a few |
Some of the stamps belong to me, while the rest are ________.
| A．him and her | B．his and hers |
| C．his and her | D．him and hers |
—Who called me this morning when I was out?
—A man calling ________ Robert.
| A．him | B．himself |
| C．his | D．/ |
To save class time，our teacher has ________ students do half the exercise in class and complete the other half for our homework.
| A．us | B．we | C．our | D．ours |
—Have you heard the latest news?
—No, what ________？
| A．is it | B．is there |
| C．are they | D．are those |