The problem requires ______.
| A．studying with great care | B．to study carefully |
| C．to be studied without carelessness | D．taking great care of studying it |
Officials believe that more than one person _____ for the big fire.
| A．is to be blamed | B．should blame | C．should be blaming | D．is to blame |
The purpose of technology is to make it easier, ______ it more difficult.
| A．not make | B．not to make | C．making not | D．do not make |
____ being too large, the color and the style of the dress suit me well.
| A．Apart from | B．As well as | C．Besides | D．Instead of |
Come and see me whenever _______.
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．it will be convenient to you |
Many people agree that_______ knowledge of English is a must in ______
international trade today.
| A．a; 不填 | B．the; an | C．the; the | D．不填; the |