【题目】填写“a, an”。
① thin teacher ② old grandmother ③ jar
④ sweet brother ⑤ young brother ⑥ insect
【答案】a;an;a;a;a;an
【解析】
【题目】填写“a, an”。
① thin teacher ② old grandmother ③ jar
④ sweet brother ⑤ young brother ⑥ insect
【答案】a;an;a;a;a;an
【解析】