Would it be ______ for you to pick me up at four o’clock?
#19114
A
free
B
vacant
C
handy
D
convenient
推荐题目
 There are plenty of jobs ___ in the western part of the country.
#18630
A
present
B
available
C
precious
D
convenient
Once harm is _______ to the eco-system, all species will ________, including man himself. 
#19350
A
made; be in danger
B
done; be dangerous
C
caused; be endangered
D
done; be in danger