Spacecraft “Discovery” has failed in the course of launch. ----_______? They have been preparing for the test.
#94908
A
How come
B
When
C
How
D
Why not
推荐题目
Rather than________on a crowded bus, he always prefers___________a bicycle.
#94665
A
ride, ride
B
riding, to ride
C
ride, to ride
D
to ride, riding
When I returned to my study, I found the floor thoroughly______and all my books______according to the types of books
#95019
A
changing; ranging
B
changed; ranging
C
have changed; ranged
D
has changed; ranged
"___ Libya's oil production returns to normal, I guess, it will be fifteen months," said a UN expert．
#92811
A
After
B
That
C
Before
D
Since
Our teacher always speaks slowly and clearly in class _____.
#91926
A
so as to be understood
B
to have understood
C
so as to understand
D
to understand