( ) 17. In those days, whenever I had difficulties, I _______Mr Shen for help.
| A．used to go to | B．was used to go to | C．would go to | D．used to going to |
.As is known to all,____ tiger is in____ danger of dying out.
| A．a; a | B．the; / | C．a; / | D．the; the |
British people always talk about wether.
| A．the; the | B．/ ,/ | C．/; the | D．the; / |
He is doctor at all. Don’t trust him.
| A． no | B． not | C．any | D．a |
He is a member of our .
| A．brain power | B．brains power | C．brain powers | D．brains powers |
----Sorry, Michelle is a little shy.
----Never mind, I be that way when I was her age.
| A．would, at | B．used to, × | C．would, × | D．used to, at |