I put my key on the table, but now it's gone. Someone ______________have taken it.

Choose the best answer: 
this / time / at / yesterday, I / homework / my / doing / was.

I ___________a small fortune when my uncle died but I managed to squander most of it. I'm ashamed to say.

Choose the best answer:
 When I was a child, I didn’t……………chocolate but now I eat a lot.

I knew they were talking about me  ................ they stopped when I entered the room.

The detective stood_____behind the door waiting for the assailant.

Mr. Lloyd has approved a ................... for the construction of a new research facility on the other side of the city.

You can see ______ people jogging along______ side of the river in the morning:

 It is_______ who says that you do not love her. 

Thanks   ........  the inventions  .............  labor-saving devices, women have more free time to take part  ................  social work.

            ___________    is the natural environment in which a plant or animal lives.

Choose the best answer:
We were made hard when we were at school.

The. ........... of a discount department store was delayed by the protests of several members of the community.

Marco Polo Airlines can upgrade a ticket only ...................... it is more than 48 hours prior to departure time.

In fact, the number of submissions has been ............... This is the first time the position has become

We can study although it is noisy.

Choose the correct answer in each sentence.

The chef _______________   prepares the entree for a restaurant critic often comes out to greet him or her in person.

Please, lock the door carefully before you leave the room.” “__________________________.”

Choose the best answer:
Workers are paid money for their …………

Everett-Buchanan Industries’ research ....................... on the newest drug to combat stomach infections recently received a grant from the National Gastrointestinal Medical Research Foundation.