The number of people invited to the conference _____ 150,but a number of them ______ absent for different reasons.

With the world _____ fast, we have something new to deal with all by ourselves every day.

p Chinese economy going on, thegovernment has established an employment service system for ____ jobless urbanresidents.

Hi, Jim. Can you lend ______ your pen?—Sorry, I’m using it.

The pupils in her class are never late ______ school and they’re nice _______ each other.