He sat _______ notes of everything ________ was said.
| A．taken; that | B．taking; what | C．taking; that | D．taken; what |
In the advanced course students must take performance tests at monthly______.
| A．gaps | B．intervals | C．length | D．distance |
An excellent way to help memory is to connect information with pictures, which_____ as a memory---link method.
| A．considers | B．is considering | C．is considered | D．considered |
To work at home has been made _____ with the development of the Internet.
| A．it possible | B．it likely | C．likely | D．possible |
Let’s keep to the point or we ___________ any decisions．
| A．will never reach | B．have never reached | C．never reach | D．never reached |
In the Great Depression, the American government couldn’t find good solutions _____ the unemployment problem
| A．of | B．to | C．on | D．about |