Ithinkhisfailureintheexperimentresulted________hiscarelessness.

WhenyouwereinLondon,didyouvisit________________Tower,too?

Thedelegation________RussiawillvisitLondonthisafternoon.

Let’snottakeJohnwithusonourfamilyoutingthistime,_______________?

Hermothercan’tspeakEnglish________French,butisgoodatJapanese.