–I _____ a rainbow in the sky after the rain.-Really?Do you know how many colours _____in a rainbow?A.just have seen; there are B.have just seen; are there C.just saw; there are D.have just seen; there are
问题描述：
–I _____ a rainbow in the sky after the rain.-Really?Do you know how many colours _____
in a rainbow?
A.just have seen; there are B.have just seen; are there C.just saw; there are D.have just seen; there are
答