Taking this medicine,if________,will of course do good to his health.
______ anyone should want to kill her was unbelievable.
The government has to close those small factories to prevent the water of the river ______.
He wants to see changes in the company and I am sure he will, ______.
We should try our best to ______ those people after the disaster.
_________ he stayed in Germany for half a year and he will go to Germany _________again.