— Isn’t it hard to drive downtown to work? —Yeah, that’s why I ______ to work by train. 
#101418
A
have gone
B
have been going
C
was going 
D
will have gone
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If we        now to bring down the housing price ,it will surely make our society in disorder.
#100110
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act
It is said that a new robot ______ by him in a few days.
#103488
A
designed
B
has been designed
C
will be designed
D
will have been designed
Being popular with children, these toys ______ well and _____ in two days. 
#99118
A
sell; sell out
B
are sold; are sold out
C
are sold; will be sold out
D
sell; will be sold out