Discovery in a South African cave suggests that modern human behavior ____ much earlierthan ____.
#88366
A
begin, previously thought
B
began, previously thought
C
should begin, previous thinking
D
began, previous thinking
推荐题目
While______ in Scotland, he made friends with the native there.
#90383
A
working
B
worked
C
he works
D
he is working
Farmland ___ quickly, so they are considering _____ a programme to solve the problem.
#98644
A
is getting lost,starting
B
is lost,to start
C
is losing, starting
D
loses, to start
In order not to be disturbed, I spend three days _______ in my study.
#97928
A
locking
B
locked
C
to lock
D
lock
___________ to carry out the plan in time, they will make careful prepatations.
#92911
A
Determine
B
Having been determined
C
Determined
D
being determined
___ in the fascinating book , he did not notice a thief enter his room.
#92120
A
To absorb
B
Absorbing
C
Absorbed
D
To be absorbed