Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions. 31. Although they always argue with each other, but they are good friends. A. always B. with C. but D. friends 32. My brother used to working downtown, but he moved to the suburbs three months ago. A. working B. downtown C. moved D. suburbs 33. He didn’t have money to buy food because he has forgotten to ask his parents. A. to buy B. because C. has forgotten D. to ask 34. The scientists are investigating an area on Mars which liquid water may be found. A. are investigating B. on C. which D. be found 35. If people use contaminated water for cooking, their health would be badly affected. A. contaminated B. cooking C. would D. badly affected

Các câu hỏi liên quan

Seahorses live in the ocean. They are fish but some people think that seahorses look a bit like ‘land’ horses. A group of seahorses is called a herd. Baby seahorses are called fry. Female seahorses lay eggs but it is the male seahorses that look after the eggs. Male seahorses keep the eggs in pouches at the front of their bodies. The fry must look after themselves as soon as they are born. Seahorses are fish but they are not very good swimmers. Their fins are very small. This makes it hard to move and steer in the water. They can use their tails to grab onto seaweed or coral so they can stay in one place. Seahorses have no teeth and they do not have a stomach. Food passes through the body of a seahorse very quickly. To stay healthy, they must spend most of the day eating. One seahorse can eat up to 3000 small shrimps in a day. 21. Seahorses got their name because they ________. A. move like horses B. eat like horses C. breathe like horses D. look like horses 22. Seahorse eggs are kept _________. A. on coral B. in a pouch C. in the seaweed D. on the sand 23. What does a seahorse use to attach itself to seaweed? A. its tail B. its teeth C. its fins D. its mouth 24. Which question is answered in the last paragraph? A. What are seahorses? B. Where do seahorses live? C. What do seahorses eat? D. How do seahorses move around? 25. Which of the following is NOT true, according to the passage? A. Seahorses’ fins are very small. B. Sea horses’ teeth are not sharp. C. Seahorses don’t have a stomach. D. Seahorses’ food is small shrimps.