The students spent many hours in the library _____ through old bookslooking for fact

After the guests left, she spent half an hour ___？

What can we learn from the passage？A．The party will last for 4 hours.B．Some students will

Which of the following is INCORRECT？A．He spent all his time reading.B．Half the students ar

As the boss of General Electric, Jack Welch spent an hour on "looking out of the window ti

How many hours do people work a week at present according to the passage？A．10 hours.B．20 h

The students were so fascinated by the______Yangtze River that they spent hours sitting on