---May I look at your map for a little while? ---Of course, ________, Jack.
—It is reported that there is big breakthrough in the cancer treatment.—If only his son could be brought back to life!
—I really don’t know when we can get over all the troubles.— ______! Our troubles will soon be over.
Our parents and teachers often ________ the importance of study hard _______ us.
Mr. Smith was the only one of those who ________ to the dinner.
I want to catch _____ early train, but couldn’t get _____ ride to the station.