st do the experiment ______the teacher does.
A. whatever B. as
C. how D. when
答案：AB
⑥表示目的： that，so that, in order that, in case that, lest, for fear that，in case, for fear that，in the hope that, for the purpose that, on purpose that等。
例一 Roses need special care _____ they can live through winter.
A. because B. so that
C. even if D. as
例二 My parents live in a small village. They always keep candles in the house _____ there is a power out.
A. if B. unless
C. in case D. so that
例三He whispered to his wife_______ he might wake up the sleeping baby.
A. so that
B. on condition that
C. for fear that
D. so long as
答案：BCC
