Scientists have many theories about how the universe_____.
#101876
A
came into being
B
was coming into being
C
had come into being
D
would come into being
推荐题目
All visitors to this village______ with kindness.
#101940
A
treat
B
are treated
C
are treating
D
had been treated
Profits in his company went up by 25% last year,and _____ so far this year though the  financial situation is bad.
#104019
A
haven’t decreased
B
didn’t decrease
C
haven’t been decreased
D
weren’t decreased
The harder you_______ , the greater progress you______ . 
#103025
A
will study; will make
B
will study; make
C
study; make
D
study; will make