Bronze, after being heated by a strong flame, will change color, especially when exposure to hydrogen.

Put in the correct preposition.

I'm not going out yet. I'm waiting ______ the rain to stop.

People tend to work hard at this_________of life.

Mark the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions:  City governments are (belatedly) taking steps to revitalize downtown areas

When I closed the window, all of the files and folders on my desktop computer. ........................except for the icon.

Columbus ...........  America more then 400 years ago.

Choose A, B, C, or D that best completes each sentence.

The preparations _______ by the time the guests _______.

Jack found it hard to______ the loss of his little dog.

I wish I ______ Bob the money; he spent it all gambling.

The general hospital was able to improve patient care significantly without hiring more staff by ............... in a new information system.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence. 

in the original purchaser's home. If replacement becomes necessary, Wodnty Corporation will provide an identical_________at no cost to you.

Chau and Phuong bumped into each other after their graduation three years ago. Chau: "Hi! Phuong. How have you been?” Phuong: “   ,...........  ”|

Choose the best answer:
 A mail offering suggestions is a ______.

“Would you mind turning down your stereo?” - “  ................   .”

"  ............  " "No, that would be fine."

classical dance for five years, Akiko finally felt ready  ................ in public.

Choose the best answer:
She explained_______.

Choose the best answer:
The person who does housework is ______.

Choose the best answer:
 He noticed two thieves_______ out of a shop.

A student is talking to the school librarian. Student: "I would like to join the library."

Librarian: “   ............  ”

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence. 

Admission is free for children three years of age and __________________