He has read many books on history, so it's     for him lo answer these questions. 
#47527
A
hard
B
impossible
C
easy
D
serious
推荐题目
—Have you found your watch? —No, it is ______to see anything in the hole.
#45711
A
too dark
B
dark enough
C
very dark
D
so dark
Zhang Yu is a  ________  girl from Sichuan.
#45847
A
twelve years old
B
twelve-year old
C
twelve–years-old
D
twelve-year-old
If you want to keep healthier, you must eat ____ vegetables and _____meat.
#45619
A
more, more
B
less, less
C
fewer, more
D
more, less
It’s important to eat a _____ diet.   
#46843
A
balance
B
balanced
C
balancing
D
balances