Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Solar energy is not widely used _______ it is friendly to the environment.
A.since
B.although
C.in spite of
D.because of

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.The sign warns people ________ the dangers of swimming in this river.
A.about
B.from
C.with
D.to

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.__________, they were surprised to find their favourite band playing there.
A.On arrival at the party
B.To have attended the party
C.They had arrived at the party
D.Just attended the party

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Once ________ in large quantities, these products will be more affordably priced.
A.are produced
B.having produced
C.produced
D.producing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Jane would never forget ________ first prize in such a prestigious competition.
A.to be awarded
B.being awarded
C.to have awarded
D.having awarded

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Paul noticed a job advertisement while he _____ along the street.
A.was walking
B.would walk
C.walked
D.had walked

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.If you watch this film, you _____ about the cultures of Southeast Asian countries.
A.learned
B.were learning
C.will learn
D.would learn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.My parents hope to travel around ________ world next summer.
A.a
B.an
C.the
D.Ø (no article)

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A.attitude
B.manager
C.invention
D.company

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A.inform
B.explore
C.prevent
D.cancel