Iknowitisn’timportantbutIcan’thelp________aboutit.
Thefloordoesnotlooksobadwhen________(sweep)clean.
He asked me whether my brother ________ (fly) to Beijing.
Night ________ (fall), we hurried home.
________ (fail) several times, they need some encouragement.
Themorewelookedatthepicture,________.