Roy:______It'sgettinglate.
Ellen:Mustyougosoon?
A、Oh,it'salreadyteno'clock
B、It'sraining
C、It'sdarkoutside
D、ShallIstayhereabitlonger?
Tammy:Someoneisatthedoctor.
Richard:______.
A、Whoishe?
B、Who'sit?
C、Whoheis?
D、Whoitis?
Hebuiltatelescope____hecouldstudytheskiesinhisfreetime.
Ifhe____ontouristsforhisbusiness,hewouldhavetoclosehisshop.
A、depends
B、willdepend
C、depended
D、haddepended
Humanbeingsaresuperiortoanimals_____theycanuselanguageasatooltocommunicate.
A、forwhich
B、inwhich
C、inthat
D、forthat