If you _______nature and do things at the wrong time of year, you will have to do more work and the results will not be so good.
The president _________ at the meeting, _________ by his secretary.
As a matter of fact, this is just as ________.
-– David has made great progress recently. –- _________, and ________.
The only _______ to living in the countryside is the inconvenient transportation.
-– Do you like his joke? -– Not at all. ________.