Of the three statements he has suggested __ the heating problem, I think the last one is the best.
When you study the local map, you’ll find this town is________.
This is the second time that I_______ London. The first time I_______ here was on Christmas Day last year.
--- How do you find Mr Li’s lecture? --- Good indeed. It_______ many problems we have come across in our study.
_____it is to jump into a river to swim on such a hot day.
________ the final exam________ up soon, we should get down to our studies.