Have you ever wanted to do something (22) ______ ? Five years ago Bill Slade read about an organization calls Earthwatch. Earthwatch finds (23) ______ for expeditions to study and explore different parts of the world. 
Bill decided (24) _____ an expedition to study elephants in Africa. And he counted birds in the rain forests of South America. He planted (25) _____ in Europe and he studied whales in the Pacific Ocean. 
Bill said, ‘It was (26)______work, but we had a lot of fun, and I learned a lot, too. ’

(23)......

Hãy cho dạng đúng của động từ trong ngoặc để hoàn thành mỗi câu sau.

Lazy pupils prefer (play)____________to (learn) _____________ .

Choose the correct answer to complete each of the following sentences.

He was offered the job …………..…. his qualifications were poor.

Choose the best answer to complete the following sentences. 

Do you know the girl in the red skirt ________to our teacher?

Em hãy chọn một đáp án đúng để hoàn thành câu.

I wonder where Mai is. She ______be here by now.

Choose A, B, C or D to complete the sentence. _______ you like to see her stamp collection?

Choose the best answer:
If the air wasn’t dirty, I ________________ so much.

Choose A, B, C or D to complete the sentence.  My teacher couldn’t arrive on time because she had a ________ tire

Điền một giới từ thích hợp vào mỗi ô trống.

The policeman asked me to phone________ an ambulance.

Choose A, B, C or D to complete the sentence.  _________ the every one to help the handicapped and elderly is vital

Choose the word or phrase that needs correcting in each sentence.

The study of the (A) sculptures of the Cham are (B)truly fascinating, and some (C) books have been written (D) about them.

Choose the best answer:
The VNI airplane __________ the airport at seven o’clock every morning.

Choose the correct answer to complete each of the following sentences.

What time are you ………..………… duty? Let’s have a coffee after that.

Tìm dạng đúng của từ trong ngoặc để hoàn thành các câu sau.

It’s (CLOƯD)_________ and (WIND)__________ . It’s going to rain.

Choose the correct answer to complete each of the following sentences.

Analysts suggested the country ………..………… its infrastructure to get foreign investment.

Choose the letter A, B, C or D to complete the sentences:

Come on! _____ we hurry, we'll miss the plane!

Em hãy tìm một lỗi sai trong 4 phần được gạch chân ở mỗi câu sau rồi chữa lại cho đúng.

 Our grandparents not went to school because they had to do a lot of housework.

Choose the correct answer to complete each of the following sentences.

Nowadays children like subjects at school ……………… in a more practical way.

Điền một giới từ thích hợp vào mỗi ô trống.

You’d better put pressure ________the wound.

Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase.

I like _____ activities such as walking and camping.

Chọn một đáp án đúng để hoàn thành mỗi câu sau.

My friend asked me_________ I studied at a school in the city center.