before the tourists could look into the well,they had to thr
before the tourists could look into the well,they had to thr
The tourists could look into the well.They had to throw a co
Firemen had been fighting the forest fire before they could
They had to climb into the room through the window.
分析:Before we had time to get into the car,it had started to
They had to examine the dead fish before they had a (n)_____
They explained the reason to us why they had hated us before
they had to finish the work before they went home yesterday,
When they went into the shop and asked to look at the engage
they had to(climb into the room through the window)(对括号部分提问)
Don't enter into the room before they tell you to do that.修改
They decided to form a c()to look into the problem