Bài IV . Give the correct form of the following words.
1. The pizza is ……………….. (enjoy)
2. when the teacher came, the class was so ………………. (noise )
3.You should be ……………….. when driving in this street. (care)
4. There are a lo of exciting ………………. in the schoolyard. (act)
5. Robots are expensive but very ……………… (use)
1 enjoyable
2 noisy
3 careful
4 activities
5 useful
enjoying
would noise
careful
action
useful