It is vital that the gas line is checked carefully before we ignite.
is -> be/ should have been
The phrase "keeps sellers on their toes" in the passage mostly means "______".
The word "allocated" in the passage mostly means "______".
Supporters of free-market globalization point out that_____________________ .
It is stated in the passage that____________________ .
The pool should not be made so deep______small children can be safe there.
I am sorry I have no time at present to____________________ detail of our plan.
Michael looked deeply hurt and surprised when_____________________ .
Regular exercise and good diet will bring______fitness and health.
We must push the piano to the corner of the hall to_____________________ our party tonight.
Education in many countries is compulsory________the age of 16.