Complete the second sentence so that it has the same meaning as the first

V. Complete the second sentence so that it has the same meaning as the first.

1: Trung has to do a lot of homework, so he can’t go out with us.

-> Because ____________________________________________________________

2: They built some new schools in this city.

->Some new schools __________________________________________________________

3: She will revise the lesson carefully.

->The lesson ___________________________________________________________.

4: You should work hard right now or you don’t pass the exam.

->If you don’t_________________________________________________________________.