We ______ the difficulty together, but why didn’t you tell me?
| A．should face | B．might face |
| C．could have faced | D．must have faced |
Go and get your coat. It’s ________ you left it.
| A．there | B．where | C．there where | D．where there |
I remember ________used to be a quiet village.
| A．when | B．how | C．where | D．what |
________ the 2020 Olympic Games will be held in Beijing is not known yet.
| A．Whenever | B．If | C．Whether | D．That |
–I think it’s going to be a big problem.
--Yes, it could be.
--I wonder ________ we can do about it.
| A．if | B．how | C．what | D．that |
Little Tommy was reluctant to tell the schoolmaster _____ he had done the day before.
| A．that | B．how | C．where | D．what |