求教I was having dinner in a restaurant when he came in请问这句话有错误的地方吗?

求教I was having dinner in a restaurant when he came in请问这句话有错误的地方吗? I was having an English class at this time. I was having a hard time _____ (find) your school. I was having a hard time doing的意思 I was having a hard time finding the school.这个句子为什么用having -------,someone rang me upa having a bath b when i was having a bath I was seven o'clock in the evening,The Smiths ------supper.A was having,B were having I was excited about the idea of having aI was excited about the idea of having a dog.怎么翻译 I was having dinner at a restaurant .having dinner 前为什么 有was ,having dinner 不也是一个动词短语,能当谓语吗 the smoke was so thick that i was having trouble________Ato breathe Bin breath Cwith breathing Dbreathing have you had lunch?yes.i had good dinne.选项 A:a,a B:your,a 为社么? for lunch and dinner ,i usually eat fish and vegetables.此句中dinne前为什么没有for . I still remember _____ to Beijing when I was six.为什么用having been taken She was put into her night gown after dinne.r put into在这里是什么意思She was put into her night gown after dinnerput into在这里是什么意思 15.35i was invited to attend the party__to celebrate the Millenniuma.to holdb.heldc.having been heldd.having held 急 求教两道英文题为什么 Since(leaving)school,I've met him only home once.括号理的我不能用having left呢...还有一题是I was surprisedto find him(seated)under the tree.为什么我不能用sitting呢? When I was sick I _____ to go to the hospital.was having have had not had hadn't 55.8____in the city long,i was still a strange therea.not having beenb.not beingc.having beend.having not been