—Isn't it hard to drive downtown to work?—Yes,that's why I________to work by train.
#99169
A
have been going
B
have gone
C
was going
D
will have gone
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Please don’t phone him between 1 and 3 p.m. tomorrow. He ______ a lecture then.
#100539
A
will have delivered
B
has been delivering
C
will be delivering
D
delivers
Mr. Black________ Shanghai in a few days. Do you know when the earliest plane ________on Sunday? 
#99159
A
leaves for;takes off
B
is leaving for;takes off
C
is leaving for;is taking off
D
leaves for;is taking off
 ----- What happened in that new area? ----- New houses ______ recently over there.
#104154
A
are built  
B
build
C
have built
D
have been built