When they moved to the new place，the children ________the change very well.

Radium salts，which have been found to ______ in bones，give rise to bone cancer.

Lack of money led the company to a situation _____they had to decide whether they should keep on with their production

I am thinking of the test tomorrow I am afraid Icannot pass this time—______! I am sure you will make it

However, at times this balance in nature is disturbed, ____ a number of possibly unforeseen effects.