complex sentences

My mother used to tell me stories_______________ I went to bed

• since

• until

• before

You'd better take the keys_______________________ I’m out

• in case

• since

• after

My brother likes eating fried chicken______________ it’s very bad for his health

• because

• although

• when

Yesterday, Jim was playing the piano_____________his sister was playing the flute

• as

• although

• while

You shouldn’t spend too much on computer_____________ it is harmful to your eyes

• as

• when

• although

I will phone you ___________________ I get there

• while

• as soon as

• untill

The scientist usually works in his lab____________ the sun sets

• untill

• as soon as

• although

____________you promise not to tell lies again, I won’t forgive you

• If

• Even If

• Unless

_____________her legs were hurt, she made attempt to finish the running track

• Even If/ although

• As if

• Unless

She talked_____________ she witnessed the accident. But in fact she knew nothing

• as if

• even though

• even If