I don't like the pop singer's songs. In fact, I've trouble ________ the words of his songs.
| A．understand | B．to understand |
| C．understood | D．understanding |
He devoted himself to writing out a long-term policy __________ the country.
| A．to govern | B．governs |
| C．governed | D．govern |
In order to increase the __________ of the farm __________，our government offers a lot of money to the peasants every year.
| A．products; produce | B．produce; production |
| C．production; produce | D．production; products |
The colour will fade away __________.
| A．a little bit | B．a bit less |
| C．not a little | D．little by little |
This farm __________ Mr. White, I guess.
| A．belongs to | B．is belonging to |
| C．is belonged to | D．belong to |
-Car prices have been going down sharply in the last 20 years.
-It's not surprising because the law of market __________ the price of a product.
| A．is controlling | B．controls |
| C．has controlled | D．controlled |