we understand his reasons, we cannot accept his behaviour.

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

I suggest we                               for the cheapest method.

I was tired when you saw me because I                                                                                        for the exam.

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

Tom. “Is there anything interesting                         the paper today?" Anna. “Well, there’s an unusual picture                                                                   the back page ”