Which sentence uses the past participle form of the verb think?
a.
connie had think of a way to include all the children.
b.
connie thought of a way to include all the children.
c.
connie had thought of a way to include all the children.
d.
connie was thinking of a way to include all the children.

Check all of the ways in which a speech can be made suitable for a particular kind of audience (mark all that choose a subject that will interest the audience. use appropriate level of usage. use suitable connotations. always choose your favorite topic. always use formal language.

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit

How is dr. lanyon characterized in the excerpt? as friendly as arrogant as wise as mournful