It is said that a reliable treatment for the disease will be applied at least two or three months away and still it ______on animals.
#100264
A
is testing
B
has tested
C
is being tested
D
has been tested
推荐题目
She ____ the book for 2 weeks .
#103926
A
has lent
B
has borrowed
C
has bought
D
has kept
You can’t be careful enough with the dry wood .It ___easily.
#102337
A
is lighted
B
is lighting
C
will be lighting
D
lights
She gave me half, and  _____  the other half for her husband
#100337
A
kept
B
had kept
C
keeps
D
will keep