我们已制订了规则,不在办公室吸烟.we_________not to smoke in the office.
问题描述：
我们已制订了规则,不在办公室吸烟.we_________not to smoke in the office.
答
make sure
我们已制订了规则,不在办公室吸烟.we_________not to smoke in the office.
make sure