The crankcase can not be opened （）the parts have been cooled down.
Which single access list statement will combine all four of these statements into a single statement that will have exactly the same effect（）。
There have been（）medicine in the last 50 years.
The first the Second Mate knew of the fire was the sounding of the emergency alarm，which had been（）from the engine room.
The last few weeks have been enjoyable
It might have been （） who made the bid.
The bilge system has been performing well; however, the aft starboard engine room bilgewell suddenly fails to be pumped outWhich of the following should be done first to determine the cause?（）
When reentering an engine room that has been flooded with CO2, the investigating team should initially（）.
The last?few?weeks have been enjoyable.
Some of the citizens have been（）medals for bravery.
The fuel must have been finished,_____the engine stopped.
“I should have been a King if I was back to the old days.”一句中，should have been 应该重读。
“You have won rooms of your own in the house hitherto exclusively owned by men.” Here a room is compared to_____ , while the house is compared to the whole society.
Do they have many a air-conditioners for cooling the rooms in summer?
Have you seen ___ in the room?（ ）
The room can’t have been cleaned for a long time because a pile of dust had ________ in the fireplace.
— Have you moved into the new house？ — Not yet. The room______.
Wren realized that the Great Fire would not have been so 4 if the city had been better laid out.
听力原文：Had you looked hard enough in the deserted room, you might have come upon the valuables yourself.
Progress has been made to improve our living room, but we still have difficulty in making the future living room.
The Grand Banks have been called the "wheat fields" of Newfoundland.（)
I have reserved a room for you at the hotel．
A double room with a balcony overlooking the sea had been conserved for him. ()
The traffic accident might have been caused by（).
