In manufacturing, cheaper materials are constantly being for the better, more expensive kind.
| A．maintained | B．cancelled |
| C．substituted | D．deposited |
Since people are fond of humor, it is as welcome in conversation as _______ else.
| A．anything | B．something | C．anywhere | D．somewhere |
Everyone wants to live in a beautiful, comfortable and “livable” place, but not ______ know where it is.
| A．all | B．some | C．either | D．both |
______ in color, the garden looks dull in this late fall.
| A．Lack | B．Lacked | C．Lacking | D．To lack |
--- Albert, I have a favor to ask you.
--- _______.
| A．It’s a pleasure | B．Go ahead | C．Help yourself | D．It doesn’t matter |
“The moment ______ soon,” he thought to himself, waiting nervously.
| A．is coming | B．was coming | C．came | D．has come |