It is difficult to       between Mary and her younger sister
#75042
A
decide
B
distinguish
C
explore
D
express
推荐题目
She     a lot of Spanish by playing with the native boys and girls. 
#70719
A
picked up
B
picked out
C
took up
D
took out
 The branches could hardly _____ the weight of the fruit.
#81794
A
retain
B
maintain
C
sustain
D
remain
.He could not have Yong Hui__________telling people lies!
#78874
A
rather than
B
get away
C
getting away with
D
instead of