It’s very dangerous to _______ these viruses without any protection.
| A．be exposed to | B．expose to | C．expose | D．be exposing to |
The police have asked for witnesses of the accident to _____ to offer some help.
| A．step across | B．step forward |
| C．step up | D．step down |
Her suggestion _____ to see Shanghai World Exposition interested every one of us.
| A．that we would go |
| B．which we should go |
| C．that we go |
| D．we would go |
Father made a promise _____ he would buy me a new dictionary if I passed the examination.
| A．that | B．if |
| C．whether | D．how |
Today we’re going to _____ on the question of home-less people.
| A．focus | B．pay |
| C．include | D．move |
She the letter to all of us.
| A．read about | B．read for |
| C．read out | D．read of |