Bài 1: Hoàn thành câu thứ 2 sao cho cùng nghĩ với câu thứ 1:
1. it cost 3$ to visit the museum.
=> They had to .............................. 3$ to visit the museum
2. The class was taken around the museum by a guide.
=> A museum guide .................. around the museum
3. They did not leave until 4 o'clock
=> It was 4 o'clock............ they left the museum
4. Everybody thought that the museum visut was boring
=> Everybody was ..................................... by the museum visit