问题
Meyer and his team were the first ______ how the disease spreads fromanimals to humans.
A:showing
B:show
C:to show
D:shown;
B:show
C:to show
D:shown;
正确答案是：
同类题型
Sophie dreams of walking in______ outer space like ______astronautone day.
Soon after I took some medicine，my headache________.[ ]
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For a long time, he hesitated whether he should tell us ____ what had happened