题目：The underlined words “an activity” in the context refer to______.A．readingB．grammar-learni
The underlined words “an activity” in the context refer to______.
A．reading
B．grammar-learning
C．watching TV
D．writing
结合上下文，该词在此指的是阅读练习，故选A。
结合上下文，该词在此指的是阅读练习，故选A。