Some of the engines were not suitable for the work they were ________ for.
| A．intended | B．to intend | C．intending | D．being intended |
The rapidly growing birth rate brings about a lot of environment problems, which the government is supposed to take _____.
| A．significantly | B．severely | C．earnestly | D．seriously |
The two dogs started to fight, so we tried to _____ them.
| A．split | B．separate | C．tear | D．divide |
Japan has to employ an increasing number of overseas workers because there is no easy solution to its labor _____.
| A．decline | B．rarity | C．vacancy | D．shortage |
. The thieves _____ him _____ in the park, took his wallet and escaped.
| A．held .. back | B．held .. up |
| C．held .. on | D．held .. out |
When I arrived in this country, I had to start learning the language from _____.
| A．scratch | B．scrap | C．snatch | D．scrape |