Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

He has learned English for 4 years, and she is good____________ English now.

Mining over 2,000 years ago, copper is one of the earliest known metals

Southern California, is known for its mild winters, has become the new home for many senior citizens escaping the hard Northern winters.

Once the scientist had figured out the precise path of the comet, he is finding that he was able to predict its next appearance.

Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

She said she___________.

It was suggested that Pedro studies the material more thoroughly before attempting to pass the exam.

Because there was no evidence against himself, Slade was released

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

If you don’t know the meaning of the word, you should look it___________ in the dictionary.

It’s typical ________businessmen to shake hands in formal meetings. 

Physiologically, the period of adolescence is marked by active growth, especially in the skeletal and muscular systems and in a certain.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

In the US the first stage of compulsory education___________ as elementary education.

Under any  circumstances will late arrivals be admitted to the theatre before the interval.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Hiking the trail to the peak____________ be dangerous if you are not well prepared for dramatic weather changes. You____________ research the route a little more before you attempt the ascent.

Choose the best answer:

My family and I often spend time ____________ television in the evening.

I don’t like the place .................... he lives.                 

Choose the best answer  (A, B, C, or D)

I’ll stop .............. if you turn on the radio.

Mark the letter A, B, C or D to indicate the underlined part that needs correcting in each of the following questions.

The children were frightening by the thunder and lightning.

VTV1 and VTV3 are all ____________ channels

She is interested in ________ a book store.

Many scientists contributed to the development of television, whether no one can be said to have invented it.