The little boy is only six years old,             he can make good model cars.
[     ]
A. but
B. so
C. or
D. and
_______ Mr Dong is over 70, _______ he still looks very healthy.

[     ]

A. Although; but
B. /; but
C. But; although
D. /; although
_____ my parents _____ my friend think I am very tired because I have worked for over 6 hours without rest.

[     ]

A. Both, and
B. Neither, nor
C. Either, or
D. Not only, but also
Those story books for children are awfully written. They are             interesting             exciting.

[     ]

A.either ; or
B.neither ; nor
C.both ; and
D.not only ; but also
I'd like to go fishing with you,            I'm too busy.

[     ]

A. but
B. and
C. or
D. so

Study hard,            you'll pass the exam.

[     ]

A. or
B. and
C. but
— Does he prefer tea             coffee?    — Tea.
[     ]
A. to
B. or
C. and
D. but
______ the students ______ the teacher want to help the homeless boy.
[     ]
A、Not only, but also
B、Both, and
C、Neither, nor
D、Either, or
— It's 9 o'clock. I'm afraid I have to leave, ______ I'll be late for the plane. 
— Have a nice trip.
[     ]

A. or
B. so
C. and
D. but

The war was over about three months ago, ______ the American soldiers in Iraq are still having a lot of
trouble to deal with.

[     ]

A. or
B. and
C. but
D. so
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