I put vegetables ___________ the soup.[ ]
A. to
B. in
C. at
答案：B
如图所示的电路中，开关S1、S2、S3都处于断开位置，若只闭合开关_________，则灯L1和L2串联；若闭合_________，灯L1和L2并联发光；此电路中不能同时合上_________两个开关．
－I have never been to Hawaii. What about Mike? － .
A．So has he
B．So he does
C．Neither has he
D．Neither he has
