It’s easy to make friends, but it’s difficult to keep the ________ longer.
If it _____ tomorrow, we ____ to climb mountains.
You are not fit at all. You need to eat ______ fast food and exercise ________ .
It’s important _________ us _________ _English well.
_____ bananas and_____ yogurt do you need for your banana milk shake.
There _____ a great concert in the theater next Saturday evening .