—What’s the matter_______ Betty? —She lost her wallet.
The problem is _________ difficult ________ students can solve them.
---Why don’t you go out to play, Rose?---I’m afraid I can’t. I have much homework _______.
---Jim, is there __________ in today’s newspaper? ---No,nothing.
When I______ at the hotel,it was very late.
At first she __________ like maths,but now she ______________.