四、动词填空( 5% ) 1. We don’t think he is fit ________ (take ) charge of the company. 2. So far we haven’t found the approach to __________(solve) the problem. 3. Our teacher requires us _________ (not eat) food in the classroom. 4. The price of the oil ___________ (raise) sharply in the past three months. 5. Edison is known to _________(invent) the light bulb.