—You seem to have lost your way. ______?
—I’m looking for the nearest post office.
| A．What for | B．Need help | C．Where to | D．What if |
．---It is reported that there is _____ big breakthrough in the cancer treatment．
---If only my son could be brought back to _____ life!
| A．a; / | B．/; a | C．the; the | D．a; the |
Scientists have created the world’s smallest "snowman",_____ about a fifth of the width of a human hair．
| A．measures | B．measuring | C．measured | D．to measure |
—Late again! Where _____?
—Sony, I in the heavy traffic, or I would have been here earlier．
| A．were you; have got stuck | B．have you been; have got stuck |
| C．were you; got stuck | D．have you been; got stuck |
—Do you know why the teacher asks for me?
—He wants you to _____ your absence last night．
| A．account for | B．call for | C．send for | D．reach for |
—What does the sign over there read?
—"No person smoke or carry a lighted cigarette, cigar or pipe in this area．"
| A．shall | B．may | C．must | D．will |