All the adults were killed in the accident, but the two-year-old boy______ alive.
It’s wrong to ____some small advertisements at night.
They do eye exercises twice a day , so ____of them ____glasses.
He tells me not only his parents but also he ______America.
Planting apple trees is _____ interesting work, don’t you think so ?
.You ________ read in the sun, it’s bad for your eyes. A. ought not B. ought to C. ought not to