مرور تستهای گرامر MSRT زمستان ۹۶. (MSRT ۹۶) Because the papaya grows readily from seed, ……………

مرور تستهای گرامر MSRT زمستان 96
(MSRT 96) Because the papaya grows readily from seed, ……………. spread from its home in Central America and now grows throughout the tropics.
1) to be 2) it
3) the 4) its

(MSRT 96) ……………. xenon could not form chemical compounds was once believed by scientists.
1) For 2) It was
3) That 4) While

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