生活中的一些问题常涉及化学知识,下列叙述正确的是 ( )
______ his expression, he didn’t _____the driving test.
The man kept silent in the room unless_______.
Let those in need ________ that we will go all out to help them.
Anxiously, she took the dress out of the package and tried it on, only ________ it didn’t fit.
()Anxiously, she took the dress out of the package and tried it on, only _________ id didn’t fit.