Would it be _____ for you to pick me up at four o"clock and take me to the airpo
题型:山东省高考真题难度:来源:
Would it be _____ for you to pick me up at four o"clock and take me to the airport?
[ ]
A. free B. vacant C. handy D. convenient
答案
D
举一反三
As there is less and less coal and oil, scientists are exploring new ways of making use of _____ energy, such as sunlight, wind and water for power and fuel.