In the 1800’s botanist Asa Gray worked to describe and classifying the plants found in North America.

I can't stand Mr. Brian. He's always blowing his own____________- telling everyone how good he is at everything.

Some trees such as the Banksias need to be burned periodically so that the seeds would open and germinate.

The firstly  naval battle of the Revolutionary War was fought off the coast of Machias, Maine, in June 1775.

These camps keep children amused while  allowing them to  ............  up on their acting  skills, the backstroke or leam to play a sport.

TÌm lỗi sai:
The film we saw last night was different from that I had expected.

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He is interested in the................... of old buildings.

The measurement known as a “food” has originally based on the size of the human food.

Chọn đáp án đúng để hoàn thành các câu sau:

Because of their convenience, cellular phones and other portable phones have become ________ popular.

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The teacher does everything in order to................ her students.

Identify the error in each sentence: According to scientists (A) who study birds, (B) upon hatching, (C) ducklings have already known to swim (D)

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Jack suggested ......... one flat and ....... the other for myself. But  Tom advised me ....... the whole house.

She wouldn’t buy any new clothes until hers_______ 

 Stan isn’t at work right now.  

Rose's hometown was in _____ south Sea and his father is in ______ Black Sea.

Identify the error in each sentence: When (A) several whale species were nearly (B) extinct, the (C) number of nations, including (D) the United States, agreed to abide by the international laws on whaling.

It is a good book. I think it is interesting enough for you to ________.

Choose the correct past forms and past participle forms of the following verbs:fly - _______ - _______ 

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What will you do when you ................ school?

A good artist, like a good engineer, learns as much from their mistakes as from successes.

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I hurt ..................when I fell.