1. Lan / wish/ spend/ vacation/ singapore/ some day

-> Lan wishes to spend a vacation in Singapore someday. 

2. school / English/ compulsory subject / while / French/ optional .

-> At school, English is a compulsory subject while French is optional.

3. class/ divide/ four groups/ by/ former teacher.

-> The class is divided into four groups by the former teacher.

4. He /wish/ can / pass/ examination.

-> He wishes he could pass the examination.

5. Tomorrow / I / going on / trip / Ha Long Bay

-> Tomorrow I am going on a trip to Ha Long Bay.

1. Lan wishes to spend her vacation in Singapore some day.

2. Schools consider English as compulsory subject while French is optional.

3. The class is divided into four groups by the former teacher.

4. He wishes he can pass the examination.

5. Tomorrow I am going on a trip to Ha Long Bay.