The research is so designed that once ____ nothing can be done to change it.
#84058
A
begins
B
having begun
C
beginning
D
begun
推荐题目
Next to the pots ______, upon which the man could work metal.
#82098
A
lay a cushion stone
B
did a cushion stone lay
C
laid a cushion stone
D
did a cushion stone lie
—We have to stop talking here outside. Listen, _____!—Hurry up, or we’ll be late.
#80929
A
there goes the bell
B
there does the bell go
C
there the bell goes
D
goes the bell there
_____ and caught the mouse.
#81164
A
Up the cat jumped
B
Up jumped the cat
C
The cat up jumped
D
Jumped up the cat