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【单选题】
Why does the man need the woman's help?A.
Because he fell down into the deep bunker.
B.
Because he can't get the ball out of the deep bunker.
C.
Because he can't find his ball.
D.
Because he can't find his sand wedge.
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皮皮学刷刷变学霸
举一反三
【单选题】He was so deep in thought，thinking of the problem ________ he knocked into the tree without noticing it.
A.
when
B.
while
C.
because
D.
that
【单选题】Before reassembling any machinery, you should _____.
A.
replace all bearings regardless of length of service
B.
apply a heavy coat of oil to all mating surfaces
C.
clean any corroded surfaces and file all burrs smooth
D.
coat all parts with alemite grease
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