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
He commanded that all the gates ．
A．should shut B． would be shut C． shut D． be shut
The reason he is late is there was a breakdown on the railway．
A． why; that B． because; that C． that; because D． why; why
