by a policeman, the children crossed the street safely.
| A．To lead | B．Lead | C．Leading | D．Led |
Frankly speaking, in many countries _______ is called "equality" does not really mean equal rights for all people.
| A．which | B．that | C．what | D．Where |
Clearly there is much to be desired _____ it comes to the quality of teachers and their teaching methods.
| A．when | B．since | C．until | D．although |
Don’t let such an unimportant matter as this come between us _____ we can concentrate on the major issue.
| A．so that | B．in case |
| C．because | D．on condition that |
Despite the rule _____ mobile phones are forbidden in class, my deskmate can’t help playing phone games occasionally.
| A．which | B．what | C．that | D．where |
Though ____ he said was of little help to me, I thanked him all the same.
| A．what | B．which | C．that | D．who |