I visited many places including the History Museum last Saturday. When I _______ at the hotel, it was very late.

I wanted to buy a copy of The Youth, but there was _______ left in the bookshop. _______has just bought the last one.

The last time we had great fun was________ we were visiting the Water Park [ ]

the money _______ , he couldn’t buyany ticket.

Was it by cutting down staff ________ she saved the firm?—No，it was by improving work efficiency. (2012·上海，37)