It’s sometimes hard to ________ one twin from the other.

—What time is the next flight to Washington？ —_______A.It’s a smaller one.B.It’s too la

One of the problems with multiple authorship is that it is hard ______A．to allocate the re

Under her leadership, the group’s ______ grew from less than one million dollars to mo

You have to blow your own ______ sometimes—no one else will do it for you.A．trumpetB．whist

The ship took machines and other goods back to the port ________ it had set off. A：from

We can learn from Paragraph Six that______.A．it is always hard to get accustomed to the fa