As five children under 10 got drowned in a southern province, it is not socially _____ for
parents to leave children unattended at that age.
| A．acceptable | B．affordable | C．sustainable | D．believable |
When deeply lost in thought, _______ he often was, he would forget all about eating or sleeping.
| A．that | B．where | C．which | D．when |
Ever since Daming graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company.
| A．worked | B．has been working | C．is working | D．works |
You’d better put away the magazines you have read, for they _______ be of great use later.
| A．shall | B．need | C．can | D．must |
According to the American law, parents must keep their kids _______ except when they are in school.
| A．safety | B．company | C．friend | D．partner |
Everything was placed _______ where he wanted it for the party, with which he was very satisfied.
| A．gradually | B．entirely | C．officially | D．exactly |