I didn’t know he came back __________ I met him in the street .

I didn’t know he came back __________ I met him in the street .

#58461

since

when

until

after

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I will tell him ___________ I see him.

#56654

after soon

soon as

as soon as

till

--- Lily isn’t here today, What’s happened to her? ---She stays at home       her illness.

#58306

because

because of

so that

Many people shop on line, ________ years ago, they bought things only from stores.

#57509

and

but

You can’t get good grades______ you study hard.

#55627

when

because

unless

that

 ______he has a lot of money, ______he is not very happy.

#56889

Although , but

Although, /

Although ,so

but , /

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