Anyway, I can’t cheat him－it’s against all my________.
| A．concerns | B．principles |
| C．purposes | D．signs |
29. The bike under the tree ________ belong to Hilary. Look! Her bag is on it.
| A．must | B．shall | C．will | D．Can |
28. The kind-hearted woman made _______ her duty to look after all the old people there.
| A．this | B．that | C．one | D．It |
27. Most of us hate people ________ talk much but do little.
| A．whom | B．whose | C．which | D．Who |
26. The craze fans ________ outside the hall, and they will wait till the movie star comes.
| A．were waiting | B．are waiting | C．waited | D．had waited |
25. Her grandmother has taught in this school _______ she became a school teacher.
| A．before | B．since | C．until | D．After |