—I bought this shirt for 35 yuan yesterday. —It’s on sale today for only 29. You should have waited. —Oh, really? But how ________ I know? 
#104781
A
would
B
can
C
did
D
do
推荐题目
By the time you get to Beijing tomorrow, I ______ for Shanghai.
#101206
A
am leaving
B
should have left
C
will leave
D
will have left
He_____ articles for our wall-newspaper these years, and he____ about thirty articles.
#101162
A
has written; wrote
B
has been writing; wrote
C
is writing; has been writing
D
has been writing; has written
—The former president of Iraq was caught at last.—Really? Where ______________ himself?
#104260
A
has he hidden
B
had he hidden
C
was he hidden
D
has he been hidden