This product is of high ____.
A.quantity B.quantities C.quality D.qualities
Don’t lose____,work hard , and you will succeed.
A.hearts B.your hearts C.heart D.your heart
Only when you are peaceful in your heart ____your problem.
A.can you find B.you can find C.did you find D.you found
The professor with ____you talked just now is very famous.
A.who B.that C.whom D.which
____from his expression, he is leading a happy life.
A.Judged B.Judging C.Being judged D.Judge
Having lived in China for 8 years, Helen has a good ________ of both English and Chinese.
A.ability B.guidance C.command D.program
