单项选择题

While the total number of farmers engaged in the agriculture production is barely half ______it used to be in 1959, the size of the average farm has tripled.

A．that
B．what
C．which
D．how
<上一题 目录 下一题>
热门 试题

单项选择题
Every device______ in the spacecraft must be designed and made with great care so as to be sure that nothing goes wrong in operation.
A．to be fitted
B．fitted
C．fitting
D．to have been fitted
单项选择题
Mr. Jones, I am really pleased______ you. And I hope we will be able to see each other in not long time.
A．to meet
B．to have met
C．at meeting
D．having met
相关试题