Would it be____ for you to pick me up at four o’clock and take me to the airport?

People who can’t ____between colours are said to be colour -blind.

____ the chance, otherwise you’ll regret it.

When everybody was listening carefully, the noise of several people fighting outside____ the professor’s speech.

She is too fat, but she can’t ________ sweets.

I had been working for a whole day at that time and was really ____a good rest.

I tried phoning Maggie’s office in the morning, but I couldn’t _____ .

–Is there something I can do now?   -Yes.______ the meat for cooking meat ball.

Although he failed when he tried doing the experiment for the first time, he decided to try it____.

---You effort is sure to pay __________

---Thank you for you encouragement.