1.Maria is always (shy).When she speaks in front of others,her face always rurns red.
Maria总是很害羞.当她在人前讲话时,脸会红.
2.There was a big (smile)on her face.
她笑容满面.big smile：笑容满面、笑容可掬、深深的微笑
There was a big (scar)on her face.
她的脸上有个大疤.scar：伤疤
3.Do you like learning foreign (language)?
你喜欢学外语吗?
4.I want to (improve)my Chinese.
我想提高自己的汉语（或语文）.
5.Can you give me a (piece)of paper.Certainly!
能给我一张纸吗?当然可以!
6.Please (put)the chair in that corner.
请把这张椅子放到那个角落那儿.put sth in somewhere:把东西放在某处
7.They will (send)more good teachers to work in the countryside(最好用country).
他们会派更多的好老师到乡村工作.send sb to do sth：派某人做某事