How long can he ______ this book —Two weeks.

Jack was sure to get this year’sscholarship as the standards of scholarship were not terribly_________

If you develop a ______ of talking with others in English， you’ll improve your ability in speaking.

It was __________ he took off his dark glasses __________ I realized he was a famous singer.

is quite _______ to you, I willvisit you next Tuesday