--Has your teacher returned from America yet? --Yes, but he _______ here for only three days before his company sent him to Africa.
It's fine _____! What do you make of it? Picasso’s?
The two brothers _____ every day and there was no love left between them.
The teacher _____ her new students to be diligent.
Take on a(n)_______ with you. It looks like raining.
The road constant improvements can't keep pace with the increasing ____ .