A:①②
B:②④
C:①④
D:②③
根据句意,用括号内所给单词的适当形式填空。⑴Jerry____ (go)to school at seven o'clock.⑵Can you play the violin ____ (good)?⑶It takes____ (she)an hour ____ (do)her homework.⑷Look! The two girls ____ (talk) over there.⑸We need help for our ____ (swim)club.⑹Let's ____ (see) the pandas first.⑺He is an____ (America) boy.⑻____(not be) late for school again.
为了探究电流跟电压的关系,王亮同学设计了图甲所示的电路.