Sometimes it is very difficult to _______ some of the English words. Even the native speaker can not help.
A、decreaseC
暂无解析
Manykindsofanimalsarebelievedtohave_________fromtheearth
Thedoctors_______themedicinestothepeopleinthefloodarea.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.
Whenmakingmoderncameras,peoplebeganto_______plasticsformetal.
