---Why ____ go to the supermarket with us ?
---Sorry , he is doing his homework now.
| A．not let Tom | B．don’t let Tom | C．not let Tom to | D．not to let Tom |
The U.S.A. is a country while China is a country.
A. developing; developed B. developed; developing
C. developing; developing D. developed; developed
—It smells terrible. What has happened here?
—Look, there is much waste gas _____ from the chemical factory.
| A．pour | B．pouring |
| C．poured | D．pours |
.—Can you write the number eighty-five thousand, six hundred and twenty-six?
—Yes, it is _____.
| A．85,626 | B．856,620 |
| C．58,662 | D．58,626 |
of the students boys in our class.
| A．One fifth; are | B．One fifths; are |
| C．First fifths; is | D．One five; is |
— Have you returned the library book ?
— Yes, I’ve returned it.
| A．already; already | B．yet; yet |
| C．already; yet | D．yet; already |