Since you have such good preparations, there ______ be any problem about passing the coming job interview.
Nowadays, scientists are working hard to find a best way of treating addictions __________ drugs.
My doctor recommended that I _______ more exercise.
As a teacher you should _________ your method to ______ the needs of slower students.
----The boss said we had only three days to finish the task. ----No problem. We have already _________ two thirds of it.
The invention of spaceships makes ________ human beings to travel to the moon.