Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.
A
what 在表语从句中作 takes 的宾语 ,构成 "It takes sth. to do sth." 的句型。答案为 A。
Wordsthatareidenticalonlyinspellingbutdifferentinsoundandmeaningarecalled______.
WhichofthefollowingisNOToneoftheextra-linguisticfactorsthatcausechangesinmeaning?
Moderneconomics________thecountry’sagriculturalpolicies.
Youshouldhelpthem________whenyourfriendsquarrelwitheachother.