We believe the time and hard work _______ in completing such an important project are worthwhile.
| A．involved | B．involving |
| C．to involve | D．to be involved |
Those who suffer from heart trouble will find they get _______ from this medicine.
| A．defense | B．safety | C．shelter | D．relief |
many times, but he still didn’t understand it.
| A．Having been told | B．Though he was told |
| C．To have been told | D．He was told |
That was a very busy street that I was never allowed to cross accompanied by an adult.
| A．when | B．if | C．unless | D．where |
---Mary was asked to do something important.
---It doesn’t matter. Let’s the work where it is left off.
| A．take up | B．take down | C．take in | D．take off |
―Which of the two poems do you like better?
―____ shorter one, of course. I think it’s really ____ most interesting one.
| A．The; a | B．A; the | C．The; the | D．A; a |