______ people in the world are sending i
题型:选择题
问题:
______ people in the world are sending information by E-mail every day. |
A.Tens of thousands of B. Ten thousands of C. Several millions D. Many million |
______ people in the world are sending information by E-mail every day. |
A.Tens of thousands of B. Ten thousands of C. Several millions D. Many million |