NM-3和D-58是正处于临床试验阶段的小分子抗癌药物,结构如下:关于NM-3和D-58的叙述,错误的是
She brought with her three friends, none of ______ I had ever met before.
I tried phoning her office, but I couldn’t _______.
His sister left home in 1998, and _______since.
What do you mean, there are only ten tickets? There _____ be twelve
Could I speak to ______ is in charge of International Sales please?