I suggest we                               for the cheapest method.

Make sure you                                  up the data on your computer, because you might get a virus.

His speech was careful and                                  , but his words seemed to make no sense.

Mrs. Davies asked me to tell you that she would like                                                                                by Friday at the latest.

It\'s                          unique opportunity to see African wildlife in its natural environment.

Debbie is the black_________________ of the family, having left home at 17

to live with her boyfriend.