Sorry to say I’m busy now and can’t help ______ the lab.
Writing out all the invitations by hand was more time-consuming than we______.
It was only after he had read the papers Mr. Gross realized the task before him was extremely difficult to complete.
Only by increasing the number of doctors by 50 percent properly in this hospital.
I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree.
ourselves from the physical and mental tensions, we each need deep thought and inner quietness.