1.________ energy under the earth must be released in one form or another, for example, an earthquake.
2.He wasn’t appointed chairman of the committee, ________ not very popular with all its members.
A) to be considered
C) being considered
D) having considered
3. The twentieth century has witnessed an enormous worldwide political, economic and cultural ________ .
4.The ________ stuck on the envelope says "By Air".
5. Mobile telecommunications ________ is expected to double in Shanghai this year as a result of a contract signed between the two companies.
6. Reading ________ the lines, I would say that the Government is more worried than they will admit.
7.My brother’s plans are very ________; he wants to master English, French and Spanish before he is sixteen.
8.Things might have been much worse if the mother _______ on her right to keep the baby.
A) has been insisting
B) had insisted
C) would insist
9.The statistical figures in that report are not ________.
You should not refer to them.
10.Contrast may make something appear more beautiful than it is when ________ alone.
B) is seen
C) to be seen
D) having been seen