______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker.
| A．What; whom | B．What; whose | C．It; whose | D．As; whom |
A warm thought suddenly came to me __________ I might use the pocket money to buy some flowers for my mother’s birthday.
| A．if | B．when |
| C．that | D．which |
These shoes look very good. I wonder __________.
| A．how much cost they are | B．how much do they cost |
| C．how much they cost | D．how much are they cost |
—What did your parents think about your decision?
—They always let me do __________I think I should.
| A．when | B．that |
| C．how | D．what |
Nobody believed his reason for being absent from class__________he had to meet his uncle at the airport.
| A．why | B．that |
| C．where | D．because |
—It’s thirty years since we last met.
—But I still remember the story, believe it or not, __________ we got lost on a rainy night.
| A．which | B．that |
| C．what | D．when |