Câu hỏi:

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

___________ problems in sailing in tropical seas is the coral reefs.

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

He kept ________ the evidence again and again.

Choose the letter A, B, C or D to complete the passage below

An allergy is an immune system response __________ (6) a foreign substance that’s not typically harmful to your body. These foreign substances are called allergens. They can __________ (7) certain foods, pollen, or pet dander.

Your immune system’s job is to keep you healthy by fighting harmful pathogens. It does this by attacking anything it thinks could put your body in danger. Depending on the allergen, this response may involve inflammation, sneezing, or a host of __________ (8) symptoms.

Your immune __________ (9) normally adjusts to your environment. For __________ (10), when your body encounters something like pet dander, it should realize it’s harmless. In people with dander allergies, the immune system perceives it as an outside invader threatening the body and attacks it. Allergies are common. Several treatments can help you avoid your symptoms.

Question 8:

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

Every day, we ________ a great deal of food from poultry.

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

Ask me again tomorrow. I'll have to give it some _______.

Choose the letter A, B, C or D the word that has different stress pattern from others.

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

I like most sports but tennis is my first _______.