Your phone ______ for several minutes now. Why don’t you answer it?
#100562
A
had rung
B
rang
C
has been ringing
D
was ringing
推荐题目
It’s reported that by the end of this week the stock exchange________ by about 10%. 
#102564
A
will have risen
B
has risen
C
will be rising
D
has been rising
 If their marketing plans succeed,they ________ their sales by 20 percent.
#99749
A
will increase
B
have been increasing
C
have increased
D
would be increasing
Every time he     to visit me, he      buy me some books.
#102488
A
will come; will
B
comes; will
C
comes; would
D
will come; would
Hurry up! The shop __ in five minutes.
#101557
A
closes
B
is closing
C
has closed
D
is about to close