A、 were washing
B、 had washed
C、 was washing
D、 washed
答案:C
A、 were washing
B、 had washed
C、 was washing
D、 washed
答案:C
A. 7
B. 8
C. 9
D. 10
A. was traveling
B. is traveling
C. traveled
D. travels
A. 2π
B. π
C. π/2
D. π/4
A. heavy
B. hardly
C. heavily
D. strongly
A. go
B. to go
C. goes
D. went
A. {x|1<x<5}
B. {x|x>5或x<1}
C. {x|1≤x≤5}
D. {x|x≥5或x<1}
A. When
B. Where
C. How
D. Which
A. π
B. 2π
C. π/2
D. 4π
A. me
B. my
C. mine
D. myself
A. to
B. including
C. about
D. over
E.
F.
G.
H.
I.
J.
解析: