Do you think you can repair this machine withouthelp—— _________. This is not the first time for me to doso.

What you should do is just ________ the milk until it boils and then turn off the gas. [ ]

The great success of this programme has been ____ due to the support given by the local businessmen.

.It was a cold winter night,and there wasn’t anyone _________ the boy could turn to for help in the street.

________ you have seen things like thesebefore doesn’t matter