A. because
B.,so
C.why
D.for
[单选题]16.A. lots ofB.so muchC.a lotD.a ittle
[单选题]16.A. runsB.ranC.runningD.run
[单选题]A.) AsB.) BecauseC.)ThoughD.)If
[单选题][A] Although [B] Because [C] If [D] While
[单选题]A.) BecauseB.) AsC.) SinceD.) Although
[单选题]A.) butB.) becauseC.) unlessD.) when
[单选题][A] So [B] But [C] Or [D] Then
[单选题][A] And [B] So [C] Or [D] But
[单选题][A] because [B] made [C] instead [D] learnt
[单选题]A. beforeB. unlessC. untilD. because