. While typing, Helen has a habit of stopping _____ to give her long and flowing hair a smooth.
| A．occasionally | B．simultaneously |
| C．eventually | D．directly |
Some people argue that using _____ nature to meet our own needs may spell disaster, unless we start to look around and understand how ______ clean environment benefits us all.
| A．/; a | B．the; / |
| C．the; a | D．a; a |
The Monkees produced a new record in 1996, _______ they celebrated their former time as a real band.
| A．when | B．with which |
| C．that | D．in which |
--Who do you think should answer for Li Tianyi’s behavior?
--Actually, I think it is their parents_________.
| A．who are blamed |
| B．what are blamed |
| C．which are to blame |
| D．that are to blame |
They landed safely on the island in the Pacific. Everything went on better than______.
| A．expecting | B．expectation |
| C．to expect | D．expected |
--I am really scared to know the scores of the test!
--________, why did you come here to see our teacher?
| A．If what | B．If only |
| C．If so | D．If not |