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 |
With so many different forms of peotry ______, students may eventually want to write peoms of their own.
| A．choosing from | B．chosen from | C．to choose from | D．to be chosen from |
I ______ the poor rabbit, but I didn’t have the right drugs with me at that moment.
| A．saved | B．had saved | C．could save | D．could have saved |
______ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
| A．What | B．Though what | C．In spite of what | D．However what |
On hearing the news, the president ______ his visit to Australia and returned home immediately.
| A．broke off | B．went off | C．kept off | D．took off |
The boss was accused of having a ______ against his female employees.
| A．reputation | B．prejudice | C．symptom | D．profession |