40和60的公倍数有无数个。
Theradiois________astrangesignal.What’swrongwithit?
LastFridayIsawsomeboys______behindDaniel,_____thecomputergames.
"Lookwhatyou'vedone!You______morecareful."
____whatmay,we’renotgoingtomakeanyconcessionstohisunreasonabledemands.
Hiscompanionshavethreatenedto__hiscrimestothepolice.