Question

1． ! There is a train coming． A．Loo

Answer 1

A

此题考查的是和look相关的短语。look out 含有“小心，当心”之意；look around指“向四周环顾”；look forward指“向前看”，有“憧憬未来”的意思；look on…as…指“把……看作……”。