Although he failed this time, he didn’t give up and _____ studying hard.
Mary doesn’t do her homework _______,so she always makes a lot of mistakes.
— Jim, remember to return this book by Friday.— ________.
— Excuse me, can I interview Mr White?— A moment, please. Let me check ________.
If you watch carefully, you can see ________ the man does the trick with the cards.
Wars are disasters. A large number of people will lose their homes if a war ________.