Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.

Thedoctorshareshisphonenumberwiththepatients__________theyneedmedicalassistance.

Theyaretryingtomakesurethat5Gterminals_________by2022fortheBeijingWinerOlympics.

Thepolicemanstoppedhimwhenhewasdrivinghomeand_____himofspeeding.

Scientistshaveobtainedmoreevidence___________plasticisfindingitswayintothehumanbody.