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have; have has; has have; has has; have
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lot of tents, drinking water and food __________ to the homeless earthquake survivors in the past several weeks. A.are sent were sent have been sent had been sent
have sent have been sent has sent has been sent
is sent has been sent have been sent are sent
has been sent have been sent are sent is sent
being sent to be sent having been sent to have been sent
have been sent is sent has been sent are sent
to be sent being sent having been sent to have been sent
has been sent have been sent have sent has sent
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