Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
That’s the scientists _________ contribution to the whole project is crucial.
A.whom
B.whose
C.to whom
D.of which

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Much progress on computers ________ since 1950.
A.has made
B.has been made
C.have made
D.made

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The athlete feels proud of herself because this is the second time she ______ this title.
A.has won
B.won
C.wins
D.is winning

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It is worrying that a number of students do not feel like going to school because they are under a lot of study __________.
A.attempt
B.effort
C.method
D.pressure

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
When choosing a partner, American are quite ________ with physical attractiveness.
A.worried
B.interested
C.concern
D.keen

The (A) world’s first electronic (B) computer was building (C) by Pennsylvania University in (D) 1946.
A.The
B.electronic
C.building
D.in

Did you notice anyone (wait) ................ outside when you left?
A.waiting
B.had waited
C.to wait
D.wait

A.geography
B.biology
C.ability
D.application

Teenagers(A) should talk (B) to (C) their parents before doing (D)some important decisions
A.Teenagers
B.talk
C.to
D.doing

A.weather
B.healthy
C.although
D.themselves