斧子砍削时落斧要准确，手要把握落斧方向和用力的大小，（）茬砍削
参考答案：顺
Tom wanted to play football with his friends in the street, but his father told him＿＿＿＿＿.
A．not to
B．not to do
C．not do it
D．do not to
John promised his doctor he________not smoke, and he has never smoked ever since.[ ]
A. might
B. should
C. could
D. would
