闯关训练
夯实基础
从A、B、C和D四个选项中， 选出可以填入空白处的最佳答案。
1.Some policemen were sent there to ______ the villagers ______ down the trees.
A.keep;cutting B.prevent;cutting
C.prevent;to cut D.stop;to cut
答案：B
2.______ your help,I got the first in the final-term English examination.
A.Thanks to B.Without
C.If not D.But for
解析：如果使用B、D两项，后一句应使用否定。thanks to意为“由于，幸亏”,相当于because of或owing to。
答案：A
3.______ so much electrical equipment,wood and paper in one place,there is a danger of fire.
A.For B.In C.With D.By
答案：C
4.They said that they ______ a wonderful time in Beijing and they hoped to be there again.
A.had B.would have
C.would have had D.could have
解析：本题考查动词时态。从题干后一句判断，选项中的动作发生在过去，应使用过去时。故选A。
答案：A