This article is too hard to understand.—Yes, _______ it’s very short and there are few new words in it.
The parents have devoted themselves to bringing up their children and now it is time for the children, ______, to show their devotion to their parents.[ ]
John invited about 40 people to his wedding, most of ______ are family members.
50. A doctor was___________when Mother fell ill.
Try not to cough more than you can ________since it may cause problems to your lungs.