More people are choosing to work _____ retirement age，since the living expenses are shooting up sharply.
A．under B．beyond C．against D．for
On seeing_____ gift they wanted, the kids screamed with _____ delight.
A．/; a B．a; the C．the; / D．the; a
He will come to understand your efforts sooner or later. It’s just a matter of _____.
A．luck B．value C．time D．fact
The Chinese football team had experienced a series of reforms. However, its performances in Shenzhen in October all the people, especially the crazy fans.
A．knocked down B．let down C．pulled down D．brought down
After the mass shootings at Sandy Hook Elementary School, President Obama ordered his members to solutions to gun violence.
A．put up with B．come up with C．keep up with D．catch up with
With more and more farmers moving to cities, an inadequate labor force is becoming a major factor affecting the country's grain output.
A．automatically B．occasionally C．absolutely D．gradually
