It is these poisonous products_____can cause the symptoms of the flu , such as headache and aching muscles .
| A．who | B．that | C．how | D．what |
Sorry, Madam. You’d better come tomorrow. Because it’s _________ the visiting hours.
| A．during | B．at | C．beyond | D．before |
With the development of science, more new technology__________ to the fields of IT.
| A．has introduced | B．is being introduced |
| C．is introduced | D．was introduced |
I feel it is your husband who __________ for the spoiled child.
| A．is to blame | B．is going to blame |
| C．is to be blamed | D．should blame |
Jackson insisted that he ______ the old woman and that he ______ without any delay.
| A．hadn’t murdered; be set free |
| B．shouldn’t have murdered; would be set free |
| C．wouldn’t murder; shouldn’t be set free |
| D．hadn’t murdered; could be set free |
______ will Tom agree to change his mind about going abroad for further study.
| A．By all means | B．By no means |
| C．At some time | D．At any time |