______had he arrived home than it began to rain.
A. Not until
B. No sooner
C. Scarcely
D. hardly
第1题:
Hurry up! The concert __________ for ten minutes.
A、has begun
B、had begun
C、has been on
D、began
第2题:
No conclusion has been ______ yet.
A. achieved
B. reached
C. attained
D. arrived
第3题:
第4题:
47___.
A.developed
B.disappeared
C.changed
D.arrived
第5题:
第6题: