17. choose the word or phrase that best completes the sentence. "By the time tennis practice is over, Mother dinner."
A) made
B) will made
C) will make
D) will have made
18)
What is the meaning of the word submerged as it is used in the sentence?

Four days of raining caused many cars to be completely submerged.
A) to move with water
B) to place water inside
C) to be placed above water
D) to be placed under water

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