Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land, thus _____it less fertile.

The incomes of skilled workers went up.________，unskilled workers saw their earnings fall.

What a nice bike!But I have no money to buy it．– .

There’s no doubt ______ hard work is the key to _____ your result.

Is this the place_____ John was born