This dictionary, which I bought yesterday, has been highly _______ by my professor.
A. acknowledged B. appealed C. recommended D. commanded
It is thought that Henan Shuanghui Industry Group Co., Ltd. ____take responsibility for its consumers.
A. can B. may C. must D. need
As a student of Senior Three, he has very little free time __ he can spend developing his own interest.
A. when B. in which C. at which D. that
Mary is always ready to do some __ work at the local geracomium（敬老院）in her spare time.
A. responsible B. exhausting C. voluntary D. professional
Many experts stick to the view _____ teacher development is the key to the education quality.
A. which B. what C. that D. where
When I wanted to express my thanks to him，words ___ me. I just held his hands firmly and choked.
A. left B. fled C. forgot D. failed
