One of the most important questions they had to consider was ______ of public health.
| A．what | B．this |
| C．that | D．which |
The wooden house______ by many trees_______ south.
| A．surrounded; facing | B．surrounded; faces |
| C．surrounding; facing | D．surrounding; faces |
The boy was seen _______ in the examination and was punished by the teacher.
| A．cheating | B．cheat | C．cheated | D．having cheated |
If you_______ smoke, please go outside.
| A．can | B．should | C．must | D．may |
---I don’t really like Tom. Why did you invite him?
---Don’t worry. He _____ come. He said he wasn’t certain what his plans were.
| A．must not | B．need not |
| C．might not | D．would not |
Was it _____he said or something that he did _____ made her cry so sadly?
| A．what; that | B．that; which |
| C．that; what | D．what; / |