Mary won’t keep slim ______she takes exercise every day.
| A．unless | B．if | C．when | D．or |
He had a strange hairstyle and he instantly became the ________ of attention the moment he stepped into the classroom.
| A．aim | B．focus | C．direction | D．point |
—How do you find this new movie?
—It's ________ interesting than expected.
| A．a great deal much | B．a great deal of more | C．a great deal of much | D．a great deal more |
It took us several hours to make the old man ________ of the safety of travelling by air.
| A．believed | B．convinced | C．informed | D．persuaded |
No one can ________ how the election will turn out，as there are many unknown facts.
| A．protect | B．prepare | C．prevent | D．predict |
Anyone who is in ________ of weapons without permission is considered lawbreaking.
| A．command | B．control | C．charge | D．possession |