Fill in the blanks∫6−∞δ(t)dt=______ and ∫64δ(t)dt=______ .

Fillinthe following five blankswith "a", "an",or "the".Puta"/"wherenoarticleisneeded. ___________aboveinformationwillservetogiveyouanideaofthekeensalecompetition.

Fillinthe blankwiththeproperwordandchangetheformifnecessary.（选择单词的适当形式填空）occupation fluentheadachenationality singleHehasBritish.

Fillinthe blankwiththeproper phrase andchangetheformifnecessary.（选择短语的适当形式填空）catchupwithfallbehindgiveupinaminutefillinShehurtherlegandtheothers.

Fillinthe blankwiththeproper phrase andchangetheformifnecessary.（选择短语的适当形式填空）catchupwithfallbehindgiveupinaminutefillinWhydon’tyousmoking?

Fillinthe blankwiththeproper phrase andchangetheformifnecessary.（选择短语的适当形式填空）catchupwithfallbehindgiveupinaminutefillinIfyoumissalotofclasses,it’sveryhardtoyourclassmates.

Fillinthe blankwiththeproperword,andchangetheformifnecessary. （选择单词的适当形式填空） occupationfluentheadachenationalitysingle [br][/br] Isthatwomanormarried

Fillinthe blankwiththeproperword andchangetheformifnecessary.（选择单词的适当形式填空）occupationfluentheadachenationality singleIhadabad,andcouldn’tgotowork.

Blanks Filling

2.1--ListeningFill in the blanks