C++ is used with proper(71)design techniques.

C++ is used with proper(70)design techniques.

C++ is used with proper(73)design techniques.

C++ is used with proper______design techniques.

1． He used to _______in the sun，but now he is used to _______at night．

PTK is used to __________.

The phrase “came up with” (Para. 2 is used to mean “_________ ”.

30． Radio is used a lot because__________ _．

According to the author, at a big party, small talk is used with the purpose of ______.

The exchange with the store clerk (line 86) is used to represent ______.

"crolling" is a technique most commonly associated with ______.

Daydreaming，science has discovered，is an ______relaxation technique.