Somehow without my noticing , my wallet had been disappeared.

I was _____ in a month in autumn 20 years ago. 

By September next year I  ........... here for ten years.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions: The teacher found a great deal of mistakes in his students’ writing.

Mary and her sister just bought two new winters coats at clearance sale.

The international Red Cross, which has helpe so many nations, won the Nobel Peace Prize three times for their efforts to reduc suffering

Student must make up their own study list of the classes he is going to take at the beginning of the quarter.

Country music songs are deeply personal and deal with themes of love, lonely, and separation

Before the Industrial Revolution come to America, the vast majority of the population had lived in areas.

It _________Lan who always helps him in his trouble.

Choose the correct verb form:

____ 60,000 people filled the stadium.

A pack of wild dogs ………… frightened all the ducks away

The bell signaling end of the first period rang loud, interrupting the professor’s closing comments.

The results of our marketing survey show that there will be quite a demand for electric cars in ahead years.

To save the California condor from extinction, a group of federal, local, and privately organizations initiated rescue program.

One of the beautiful botanical gardens in the United States is the wildly and lovely Magnolia Gardens near Charleston, South Carolina.

Because of it consists only of relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by it self.

An octopus has three hearts to pump blood throughout their body.

It is the writing English that causes difficulties foreigners.

Cosmic distance is measured on light -years.

After driving for twenty miles, he suddenly realized that he has been driving in wrong direction.