Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

          The dunes in the Simpson Desert have gently ________ western faces and ________

eastern faces.

A. sloping - steep                                   B. downward    - upward

C. shallow - deep                                   D. low - high

          The great stretches of sandy desert almost ________ the centre of Australia.

A. round                 B. circle                   C. hold                     D. keep

          Spinifex grows on the slopes of the dunes, which are up to 20 metres ________ .

A. in high                B. of height              C. high                     D. tall

          Hummock grasses grow in ______ sand on the crest, the top of the slope.

A. loose                  B. lost                     C. lose                     D. loosened

          I saw a very nice apartment, ______ I decided to rent it right away.

A. if                       B. because                C. so                       D. but

          A newborn baB, Can neither walk nor crawl. A newborn antelope, _______ , can run with minutes of birth.

A. however              B. so                      C. otherwise              D. even though

          Endangered animals should be well protected in their natural ________.

A. position               B. condition              C. habitat                  D. status

          The government has _____ different measures to protect the wildlife.

A. made                  B. listed                   C. done                    D. taken

          One of the conservation efforts is the development of wildlife _______ .

A. conserves              B. reserves             C. reservoirs              D. reverses

          Commercial exploration has driven many species to the ________ of extinction.

A. verge                    B. bank                 C. limit                     D. edge

Exercise 10: Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

          The biggest company in our local area is ______ the verge of bankruptcy.

A. in                        B. on                    C. at                        D. to

          The Congress has _____ laws to protect wildlife from commercial trade and overhunting.

A. implied                 B. carried               C. acted                    D. passed

          The book is so interesting that I can hardly _______ it _______ .

A. get - down                                        B. pick - up

C. put - down                                        D. not put - down

          Books are a wonderful ______ of knowledge.

A. source B. resource C. flow D. provision 5. She had just enough time to ______ the report before the meeting.

53

A. turn round           B. dip into                 C. get through            D. go into

          Penicillin, the first antibiotic that successfully killed bacteria and cured infections, was discovered _______

A. B, Comparison     B. by accident             C. by Choice              D. by heart

7.  If a water polo game is tied, there are two     ________ periods of three minutes each.

A. overdue              B. overlong               C. overwork              D. overtime

          The player was ejected after committing five personal _______ .

A. mistakes             B. faults                   C. fouls                    D. errors

          Sports competitions are held to ________ cooperation and solidarity among countries.

A. grow                 B. upgrade                C. spring up               D. promote

          We have made careful preparations to welcome the _____ from 40 countries.

A. acquaintances       B. attendants              C. delegates               D. hosts

          The dunes in the Simpson Desert have gently ________ western faces and ________

eastern faces.

A. sloping - steep                                   B. downward    - upward

C. shallow - deep                                   D. low - high

làm và giải thích ra hộ em nhé 

The student did not do well in the class; he had a problem with ________ .

A. absenteeism       B. absently                C. absentee                D. absent

He will not be .......to vote in this year's election.

A old enough 

B as old enough 

C enough old

D enough old as

làm và giải thích ra hộ em nhé 

Just a moment. I'm putting you ________.

A. up

B. under

C. through

D. in