The room is_______ to hold 300 men.

The ________ look on her face suggested that she ________ it[ ]

The radiation amount of a mobilephone for two half-hour periods per day is equal to ___ to an X-ray for tenseconds.

Customers are asked to make sure that they the right change before leaving the shop.

he is very busy, he spends at leasttwo hours every day surfing the Internet in order to find out the latestdevelopment in science and technology