My mother ______when I got home.
| A．cook | B．cooking | C．was cooking | D．cooks |
The problems are difficult to solve. Please give me_________.
| A．some advices | B．an advice | C．advices | D．some advice |
How about _________out for a walk, mum?
| A．go | B．going | C．to go | D．goes |
Try to sing more English songs,and you will find it interesting_______ a foreign language.
| A．learing | B．learns | C．to learn | D．learned |
Mr Zhang encourages the poor students ______ study.
| A．not giving up | B．to not give up | C．not to giving up | D．not to give up |