Theirplanearrived________SanFranciscothismorning.

WithanappropriaterelativepronounMybrotherspeaksEnglishfluently,________Idon’t.

________ you had been here, we wouldn ’ t have had so much trouble then.

Ithinkhisfailureintheexperimentresulted________hiscarelessness.

He said that he ____ (feed) up with college instructors who tried to teach him to use the “ scientific