Although the increase in the present sum used for the research is________, a great breakthrough could still be achieved by the end of this year.
#17827
A
common
B
sudden
C
enormous 
D
modest
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What ______ me was that there was a ______ look on her face due to the ______ problem.
#19034
A
confuses; confusing; confusing
B
confused; confused; confused
C
confused; confused; confusing
D
confused; confusing; confusing
After the long journey, the three of them went back home,_________.
#19728
A
hungry and tiredly
B
hungry and tired
C
hungrily and tiredly
D
hungrily and tired
mith bought a___purse for his wife. 
#20694
A
small black leather
B
black leather small
C
small leather black
D
black small leather