The recent research attempts to the effectiveness of different drugs used for the new virus.
#64656
A
cover
B
guarantee
C
estimate
D
evaluate
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 little boy has been nice recently and he thinks he a toy train for Chirstmas.
#63844
A
selects
B
deserves
C
requests
D
debates
_______ he is always studying hard is well known ____ us all.
#66004
A
How, to
B
What, to
C
That, to
D
Whether, by