Cars do cause us some health problems—in fact far more serious ________ than mobile phones do.
| A．one | B．ones | C．it | D．those |
Don’t be so discouraged. If you ________such feelings, you will do better next time.
| A．carry on | B．get back | C．break down | D．put away |
——Do you have a minute? I’ve got something to tell you.
——Ok, ______ you make it short.
| A．now that | B．if only | C．so long as | D．every time |
Animals suffered at the hands of Man ___ they were destroyed by people to make way for agricultural had to provide food for more people.
| A．in which | B．for which | C．so that | D．in that |
We finished the run in less than half the time ____.
| A．allowing | B．to allow | C．allowed | D．allows |
——-Shall we go out for a walk?
——Sorry. This is not the right ____ to invite me. I am too tired to walk.
| A．moment | B．situation | C．place | D．chance |