They hope that a more practical solution can be_________

单选题They hope that a more practical solution can be__________ .
A. worked out
B. dealt with
C. cleared up
C. left out

参考答案A

解析:WOrk out提出，制定出；dealt with处理；clear up清理；left out落下，遗落。题干意思：他们希望能够提出一个更为行之有效的解决方案。

单选题As the newcomer did not follow the instructions properly, he __________failure.
A. ended up in
B. came up with
C. stood up to
D. looked up to

单选题His decades of effort began to__________ , for his new breed of rice had become more popular.
A. pay off
B. call off
C. pull off
D. lay off

单选题The one-year course is only to__________ the foundations of good technical training.
A. lead to
B. let down
C. come to
D. lay down