So difficult____it to acquire a large vocabulary without the help of a teacher that he was close to giving up .
| A．he have felt | B．have he felt |
| C．he did feel | D．did he feel |
--- Can you tell me how many study groups there are in a class?
--- Generally speaking, a class often ___ 8 study groups, each with 7 group members.
| A．is consisted of | B．is made of |
| C．made up of | D．consists of |
___ , he still put people’s life in the first place.
| A．However he was tired | B．Now matter he was tired |
| C．Now matter how was he tired | D．However tired he was |
--- Did you go to her birthday party held the day before yesterday?
--- I ____, but something unexpected happened at my home.
| A．intended | B．had intended to |
| C．had intended to go | D．intended to go |
___ the fact that he found math boring, he was still good at it.
| A．Despite | B．Though | C．While | D．As |
They say that ___ Chinese language is particularly difficult for ___ European.
| A．the; an | B．/ ; the | C．the; a | D．/ ; a |