. _______ different kinds of pianos, the workers farther improved their quality.
| A．To produce | B．Being produced | C．Produced | D．Having produced |
相关试题
．You ________things about. Look! What a mess in your room!
| A．always throw | B．have always thrown |
| C．are always throwing | D．have always been throwing |
Our football ream will compete against the Japanese team this evening. Let’s go and ________shall we?
| A．cheer them up | B．join them up | C．add them up | D．pick them up |
I don’t think he is the right person ________ .
| A．to depend | B．depending on | C．I can depend on | D．to be depended. |
It is generally considered unwise to give a child________he or she wants.
| A．no matter what | B．whatever | C．whichever | D．no matter which |
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