4-8 when/before/after

Jessica usually listens to music(聽音樂) ___________she does her homework(做功課).

• when

• so

• but

• because

Jack fed the dog(餵狗) ____________he took a bath for it(幫它洗澡).

• when

• so

• after

• because

__________ Jack left the classroom(離開教室), he forgot his schoolbag(忘記書包).

• And

• Because

• When

• Before

Helen drank a cup of milk(喝牛奶) ___________she went to bed(去睡覺). That helped her sleep well.

• when

• before

• after

• so

My mom always prepares dinner(準備晚餐) _________ I go home(回家).

• before

• so

• because

• at

________ you finish your homework(完成作業), please mop the floor for me(拖地).

• When

• Because

• After

• So

David __________the book before he did his homework.

• is reading

• reads

• read

• to read

Ted will take a trip to America when summer vacation ____________.

• came

• comes

• to come

• coming

When the queen __________ out of the gate, we waved to her happily.

• came

• to come

• come

• coming

After David __________ his homework, he watched TV for one hour.

• finish

• finishes

• finished

• finishing