问题：
Co-operation or teamwork, the importance of which is often ________, plays an important part in football matches.
A．stressed
B．thought of
C．paid much attention
D．talked
Co-operation or teamwork, the importance of which is often ________, plays an important part in football matches.
| A．stressed | B．thought of | C．paid much attention | D．talked |
参考答案：