A.From upstairs.B.From next door.C.From the Nelsons' house.D.From the back door.
A. From upstairs.
B. From next door.
C. From the Nelsons' house.
D. From the back door.
A.identicalB.similarC.differentD.unfamiliar
A. identical
B. similar
C. different
D. unfamiliar
A.unlessB.butC.thereforeD.if
A. unless
B. but
C. therefore
D. if
A.inferB.explainC.interpretD.express
A. infer
B. explain
C. interpret
D. express