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IT IS ESSENTIAL THAT CANCER …………. DIAGNOSED AND TR...
IT IS ESSENTIAL THAT CANCER …………. DIAGNOSED AND TREATED AS EARLY...
2000 CAU TRAC NGHIEM ANH A B C
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131. It is essential that cancer …………. diagnosed and treated as early as
possible in order to assure a successful cure.
a. is
b. been
c. was
d. be
d
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131.
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2000 CAU TRAC NGHIEM ANH A B C