1编号：4479题型：单选题测试正确率：65.88%
is your school trip? It’s October 19th.
2编号：3922题型：单选题测试正确率：86.8%
—______ can you see on the blackboard? — A picture.
3编号：3690题型：单选题测试正确率：67.74%
They arrived here in time but didn’t know ______ to do next.
4编号：3539题型：单选题测试正确率：64.6%
— _______? —Ten yuan per kilo.
提醒:
