Ⅰ.单句语法填空
1.We have reached a stage where (effect) measures must be taken to protect the environment.
2.His taste in clothes is (extreme) good.
3.My parents were (concern) about my apparent lack of enthusiasm for study.
4.Each person learns in a (slight) different way.
5.She was (frighten) that the plane would crash.
6.Keeping a proper balance between study and rest keeps us (energy).
7.He watched the bird (find) out where they would go.
8.Is possible to fly to the moon in a spaceship?
9.I feel quite nostalgic for the place I grew up.
10.People often stop learning things they feel they’re not making progress.