She had to drop out of school _____ her family couldn’t afford the cost of her education.
| A．although | B．unless | C．because | D．so |
.I think you need some outdoor exercise. Plenty of fresh air will______ good health.
| A．contribute to | B．devote to | C．apply to | D．adjust to |
.It’s her first time that she ________by the school to participate in the contest.
| A．was chosen | B．has chosen | C．chose | D．has been chosen |
. Alice is a character in the novel________the movie is adapted by Tim Burton.
| A．in which | B．from which | C．for which | D．by which |
The government doesn’t know how to deal with the dangerous situation________all the public are aware of at present.
| A．where | B．which | C．when | D．who |
Don't bother Tom, he is________with the experiment on water molecules in the lab.
| A．focused | B．fixed | C．occupied | D．concentrated |