He understands …….... French, but he speaks it badly. 

Interestingly, the United States both produces or uses more crude oil than any other nations

Generally speaking, a magnitude 1.0 earthquake on the Richter scale is detected by instruments but not by person.

As our new furniture will deliver on Monday morning, I’ll have to stay at home to check that it was not damaged during transmit

AIDS can be transmitted by practicing unsafe sex and receive tainted blood from one who is already infected.

Short-wave radios that can receive and transmit signals are used by pilots, the police, and amateur operator .

There is evidence that the caribou originated into North America and crossed over all land bridge into Asia and evolved into the Old World’s reindeer.

A computer networks usually includes either selected employees of a particular business or or people who do not work together but have similar interests.

The campaign will hopefully ensure the survival ...... the tiger.

No matter what different, various music types have one thing in common: touching the hearts of the listeners.

After writing it , the essay must be duplicated by the the student himself and handed into the department secretary before the end of the month.

They met him at the party last night, _    ?

An electromagnet will remain magnetized only as longer as electricity flows through it

Consequently the kit fox is an endangered species, wildlife experts in the California desert are using carious methods to protect it.

The word "increase” is closest in meaning to ____.

There are many ways to preserve fruit, for example freezing, canning and to dry

Jeff wouldn’t have bumped into the waitress if he ____ in such a hurry. 

Before bridges were built, all transport across major rivers in the area were by ferryboat.

Zoos in New Orleans, San Diego, Detroit, and the Bronx have become biological parks where animals roams free and people watch from across a moat.

Before we returned from swimming in the river near the camp, someone had stole our clothes, and had to walk back with our towels around us.

For many years, scientists studying the effects that the sun has on human skin.