(I am sorry.) I am pregnant and on maternity leave.I may not be able to go back to work for a couple of weeks.So I couldn't teach you during this period.But I value this class a lot and I will do my best to teach you as usual after I go back to work. 你开始说的对不起可以去掉· 因为不影响全文意思·如果有问题可以问我