Martin found the driving test difficult to pass. (TROUBLE) Martin ........... the driving test.

We decided we wouldn't go with him to the airport after all. (SEE) We decided not to .......... the airport after all.

The paramedics were told that they should never place a human life at risk trying to rescue an animal. (CIRCUMSTANCES) The paramedics were warned that .......... place a human life at risk trying to rescue an animal.

We arrived at the cinema too late to be able to see the start of the film. (BY) The film ........... time we arrived.

We must take as much advantage as possible of any opportunity to speak English. (MOST) We have .......... any opportunity to speak English.

This display had better not be messed about with on any account. (SHOULD) On no account ......... about with.

It remains to be seen if it was a good decision or not. (TIME) Only ............ correctly or not.

If it has to be cancelled the show will take place at a later date.(EVENT) In .......... cancelled the show will take place at a later date.

I need to solve this maths problem by the end of the day. (COME) Before the day is up, I ......... to this maths problem.

As long as I pass, I don ́t care how much I have to study. (DIFFERENCE) As long as I pass, it ......... much I need to study.

As soon as he finished his meal, he asked for the bill. (THAN) No sooner had ............ he asked for the bill.

He wondered how likely it was that he would get top marks again. (CHANCES) He asked himself what .......... top marks again.

It's difficult to say why some exams are easier than others. (MAKES) It's hard to say .............. than others.