The wet weather will continue tomorrow when a cold front ___ to a_英语解答

The wet weather will continue tomorrow when a cold front ___ to arrive.
is expecting
is expected
expects
will be expected
我选的是第二个,但是不确定

人气：420 ℃　时间：2019-08-20 16:45:52

解答

我也同意,此句子为主从复合句,when引导的时间状语从句在主句是将来时态时,从句为一般现在时.而且expect应为被动语态.