妹はいつもご飯を（）前にくだものを食べます。
A.食べる
B.食べて
C.食べた
D.食べている
参考答案：A
When he looked up，he suddenly found himself ______by a group of teenagers，____looked at him anxiously.
A．to be surrounded；which
B．surrounded；who
C．be surrounded；who
D．having been surrounded；which
完全叶是由叶片、叶柄和托叶组成的叶。
