The cost of this building _________to be over a million.
A、is estimated
B、estimates
C、has estimated
D、having been estimated
第2题
He agreed ____ me ____ an early start, so he agreed ____ my proposal.
A、with ,to , on
B、to, with , on
C、with, on, to
D、on, to , with
第3题
Tom left the room quickly, ______ the book ______ on the table.
A、left, lain open
B、leaving, lying open
C、left, lay open
D、leaving,lie open
第4题
To postpone _________the debt will ruin our business reputation.
A、paying
B、to pay
C、pay
D、paid
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