Just use this room for the time being, and we’ll offer you a larger one ________ it becomes available.(2010·安徽)

May I take your order-Yes. I like the beef noodles, please.

The 2010 World Expo _____ in Shanghai isexpected to attract more than 70 million visitors from home and abroad.

I’m lucky _______ the thing I enjoy doingmore is ________ I’ve ended up doing

Tom has much difficulty _____Chinese so he often asks me ______help.