问题
选择题
Our school forbids_____ ,that is to say, we are not allowed ____ at school.
A．to smoke, to smoke
B．students’ smoking, smoking
C．students’ to smoke, smoking
D．students’ smoking, to smoke
答案
答案：D
forbid doing sth表示禁止做某事，allow sb to do sth表示允许某人做某事，故本题选D。