Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
| A．puzzling; puzzled | B．puzzled; puzzling |
| C．puzzling; puzzling | D．puzzled; puzzled |
The expected results he had worked hard seemed hopeless to him .
| A．after which | B．for which | C．with which | D．at which |
—What is that building ? —the sports equipment is stored .
| A．That’s the building which | B．That is in which |
| C．The building that | D．That’s where |
—I met Tom last month .
—Really ?
—Yes . We each other since we graduated from college .
| A．haven’t met | B．hadn’t met | C．wouldn’t meet | D．didn’t meet |
—Did Jenny clean the whole house yesterday ?
—She because she was not quite herself .
| A．hadn’t cleaned it | B．had it cleaned | C．had cleaned it | D．cleaned it |
We’re happy that our predictions so accurate , which is far from expectation .
| A．might be | B．would be | C．should be | D．will be |