單項(xiàng)選擇題I am sorry （） waiting for a long time.
A.to keeping you
B.to kept you
C.to have kept you
D.kept you
您可能感興趣的試卷
你可能感興趣的試題
1.單項(xiàng)選擇題By this time tomorrow, the ship （）its repair work in the engine room.
A.will do
B.has done
C.had done
D.will have done
2.單項(xiàng)選擇題I would have gone ashore with the second engineer, if I （） time.
A.have had
B.had have
C.had had
D.would have had
最新試題
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
題型：單項(xiàng)選擇題
The cetane rating of diesel fuel is an indication of the （）
題型：單項(xiàng)選擇題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
題型：單項(xiàng)選擇題
Flame failure in an automatically fired auxiliary boiler can from a/an （）
題型：單項(xiàng)選擇題
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
題型：單項(xiàng)選擇題