Human beings are ________ greatest threat to survival of endangered species.

 I ……… a taxi so I came on the bus.

Such characters as fairies or witches in Walt Disney animated cartoons are purely _________

"I'll call you as soon as I arrive at the airport," he said to me.

In my company only executives are eligible ________ share option schemes.

There are more and more people died …… AIDS.

What --------- you--------- at weekend when you were a child?

 “It’s really raining.” “Yes. If the weather ---------, we’ll have to give up camping.”

My parents lent me the money. _________, I couldn’t have afforded the trip.

Can you help _____ up the mess?

“What a lovely boat!” “I ……………half a year building this boat.”

Women in the past .…. work outside the home as nowadays.

The result of the studies have had a strong impact on future developments.

__________ that we all went for a picnic.

Paris is famous --------- being a romantic city. a. to    b. for   c. from    d. with 

To my ………., John is very good at Vietnamese.

We study English ……………..

You stayed at home last night, ___________?

“You shouldn’t have leaked our confidential report to the press, Frank!” said Jane.

John’s eyes were _____ bad that he couldn’t read the number plate of the car in front.

The confusion _____ the discovery of the body made everybody lose track of time.