Although at present human egg cells and embryos needed for cloning research are difficult _____, Newspapers _________ evil leaders hoping to clone themselves．
| A．to obtain; wrote | B．to obtaining; wrote to |
| C．to obtain; wrote of | D．to be obtained; wrote |
.
_____________ is a fact that English is accepted as an international language.
| A．There | B．This | C．That | D．It |
.
______is mentioned above, the number of the students in senior schools is increasing.
| A．Which | B．As | C．That | D．It |
.
. Our neighbor has ____ ours.
| A．as a big house as | B．as big a house as |
| C．the same big house as | D．a house the same big as |
.
To our pleasure, his parents came to accept the fact ____.
| A．at times | B．in time | C．on time | D．at a time |
.
_______ matters most in learning English is enough practice.
| A．What | B．Why | C．That | D．Which |