There are such words as 'and', 'when', ' before', 'if' and some others which help us to link our ideas. can you guess the correct word for each sentence? i will call you as i have the information. i will be in bed the time you get back. will you please wait here i come back?
I will call you __as soon as I have the information.
I will be in bed _by the time you get back.
Will you please wait here until I come back?