If the lecture ____ so quickly, we’d have understood his speech.

Can I borrow your scissors? Mine …….not sharp enough.

A thunder usually follows lightning by five seconds for every mile between the flash and the observer.

Some bacteria are extremely harmful, but anothers are regularly used in producing cheeses, crackers, and many other foods.

Stars in our universe vary in temperature, colour, bright, size, and mass

It would be both noticed and appreciating if you could finish the work before you leave

 I told Mom we would be ...................home in ...................hour or so. 

Some of the stiffest competitions the jackals face on the plains of Africa comes from vultures

The more important theorem of all in plane geometry is the Pythagorean Theorem

Why did all the customers at the Red Lion have to pay off pay off their beer that week?

Like it or not, there is the rain and not the car that will hold the key to the future of domestic travel.

To be successful in an interview, you should control the feeling of pressure and making a good impression on the interview

.................gold is perhaps .............. most highly treasured metal. A. the / X B. X / the C. the / the D. X / X

 Scientists sent ............ expedition to ............ Mars during .......... 1990s. 

The author has not rarely written anything that was not a best-seller.

The decade of the 1920’s was significant in Georgia’s history because of the rapidity with what agriculture declined in the state.

Thanks to his obstinacy, he achieved what he wanted. If he were discouraged earlier by this failures, he would not have reached his aims.

Although apples do not grow during the cold season, apple trees must have a such season in order to flourish.

Unlike wood, paper, and fabric which tendency to disintegrate after being buried for many years, ceramics and glassware although easily broken, survive well in the ground.

Lan never goes out at night,  _    ?

Prevented the soil from erosion, the trees are planted by the farmer many years before were which stopped the flood from reaching his house.