________ he is a child, ______ he knows much about the computer.
| A．Though…/ | B．Although…but | C．Because…so | D．Though…but |
It’s wrong to ____some small advertisements at night.
| A．look up | B．send up | C．put up | D．set up |
They do eye exercises twice a day , so ____of them ____glasses.
| A．few, put on | B．few , wear | C．a few , put on | D．a few, wear |
He tells me not only his parents but also he ______America.
| A．has been to | B．have been to | C．have gone to | D．has gone to |
Planting apple trees is _____ interesting work, don’t you think so ?
| A．a | B．an | C．the | D．/ |
．You ________ read in the sun, it’s bad for your eyes.
A. ought not B. ought to C. ought not to