Who ________ a theory about black holes?

．She doesnot speak our language, she seems tounderstand what we say.

With the situation worsening, the army threatens to ________ if a general election is not to be held as scheduled, BBC reports.

Li Na had managed to ______ in motion an upsurge（高涨）of students learning tennis across Asia.

We don’t have much homework this wego out together—OK. Whatabout a movie