What strange _______________(suggest) you have offered!
Five         (nine) of the people at the conference come from European countries.
The house ____________ (it) is not to my mind, but I like its environment.
My head teacher does everything_______ (patient) while she is in a good mood.
There are some things that you can’t change, like your       (身高).
The seats have no back ___________ (紧靠着)which to lean.
A space sleeping bag is used to be fixed to the walls to prevent_________________(漂浮).
We must do something to deal with the ____________ (污染) water, otherwise, the fish will die.