Considering his health, I advise him to an hour or two each day to work out．
A． set about B． set aside C． set up D． set off
Alice trusts you，only you can her to give up the foolish idea．
A． suggest B． attract C． attempt D． persuade
number of visitors came but I don’t know number．
A． A ; the B． The ; a C． A ; a D． The ; the
He came to my class every week, but his look that he was not really interested．
A． expresses B． described C． explained D． suggested
Bears often hide themselves in places can’t be found by hunters．
A． in which B． where C． that D． 不填
Of all the books on the desk, is of any use for our safety．
A． nothing B． none C． neither D． no one
