Nothing but grass and trees ____ the hill. 
#86172
A
covers 
B
cover 
C
covering 
D
iscovering
推荐题目
______ without friends ______ the most difficult challenge for Chuck while living on the island.
#85606
A
How to survive, is
B
How does he survive, are
C
How does he survive, is
D
How to survive, are
__________they good at __________goals?
#44213
A
Is; score
B
Are; score
C
Are;scoreing
D
Are;scoring