Human beings are different from animals _____ they can use language as a tool to communicate.
| A．in that | B．for that |
| C．in which | D．in which |
Only when _________ in the afternoon ________ able to leave.
| A．the match was over; they were | B．was the match over; were they |
| C．was the match over; they were | D．the match was over; were they |
He argued ______ smoking, and insisted that it was ______argument that smoking was harmful to health.
| A．for; beyond | B．against; over | C．for; over | D．against; beyond |
The children were warned of not being too __________ about things they are not supposed to know.
| A．strange | B．amusing | C．curious | D．satisfied |
Please don’t phone him between 1 and 3 p.m. tomorrow. He _________ a lecture then.
| A．has delivered | B．has been delivering | C．will be delivering | D．delivers |
In a sport team each player has a clear role, and there are few occasions ______ members are confused or uncertain of their roles.
| A．why | B．where | C．when | D．in which |