The man we followed suddenly stopped and looked as if _____ whether he was going the the right direction.
| A．seeing | B．having seen | C．to have seen | D．to see |
After he left college , he was employed in an international company and __
___there ever since .
| A．worked | B．has worked | C．had worked | D．was working |
Unsatisfied ______with the payment ,he took the job just to get some work experience.
| A．though was he | B．though he was | C．he was though | D．was he though |
Bob would have helped us yesterday, but he_______
| A．was busy | B．is busy | C．had been busy. | D．will be busy |
Green products are becoming more and more popular because they are environmentally_______.
| A．friendly | B．various | C．common | D．changeable |
Heavy rainstorm broke out in South China,68 lives and 62 still missing.
| A．killing ,leaving | B．killing ,left | C．killed, leaving | D．to kill , leave |