Onewaytounderstandthousandsofnewwordsistogain__________goodknowledgeofbasicwordformation.
近年来，我国引进技术的各类企业中引进额最多的一类企业是______
Areyou_________yourclassmateswell?
Theteacheraskedthechildren_____they_____thethingsintheladthatmorning.
I'msorryI'veforgottentopostyourletter.
—Nevermind._____postitmyself.
