Viết lại câu sao cho nghĩa không đổi:
1. Complaining about the matter is useless now.
=> It is......................useless to complain about the matter now..........................................
2. I expect that he will get there by lunchtime.
=> I expect him...................to get there by lunchtime............................
1, Complaining about the matter is useless now .
\(\rightarrow\) It is useless to complain about the matter now .
2, I expect that he will get there by lunchtime .
\(\rightarrow\) I expect him to get there by lunchtime .