—What is the price of gas these days?    —Oh, it ____________ sharply since last month.
#102165
A
is rising
B
has risen
C
is arising
D
has arisen
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With the development of science,more new technology      to the fields of IT.
#104546
A
has introduced
B
is being introduced
C
is introduced
D
was introduced
Many people thought little of me, but I did what _____.
#102666
A
I thought I was right
B
I thought it was right
C
I thought was right
D
I was thought right
 — __ Betty this morning? — Not yet, but she is sure to be here before noon.
#104402
A
Have you seen
B
Will you see
C
Do you see
D
Did you see