There’s no way of knowing why one man makes an important discovery another man, also intelligent, fails.
#39533
A
since
B
If
C
as
D
while
推荐题目
- Susan, go and join your sister in cleaning the yard.- Why______ ? John is sitting there doing nothing at all.
#37006
A
I
B
me
C
myself
D
mine
Peter is a _______boy. His younger brother is _______.
#39629
A
ten-years-old ; six years old
B
ten years old ; six years old
C
ten years old: .six-years-old
D
ten-year-old ; six years old
He didn’t listen to the teacher carefully in class. ______, he couldn’t pass the exam.
#43156
A
Even though
B
As a result
C
Instead
D
In order to
0ld people are often .We should listen to them and care for them.
#40399
A
alone
B
kind
C
lonely
D
excited