.That poor man with her two children _____ in a street corner.
| A．was seen to beg | B．were seen begging | C．was seen begging | D．were seen to beg |
Andeison entered the classroom, ____book in ___hand.
| A．×, his | B．×, × | C．a, × | D．a, the |
She studies ___ medicine before she turned ___ writer.
| A．×; × | B．the, a | C．×; a | D．the; × |
A non-smoker can hardly imagine__ pleasure of having__ smoke after a meat.
| A．1, a | B．a, a | C．the, a | D．1,1 |
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 |