is known to us is that tobacco containsnicotine and other harmful products, so you should give up smoking

you think there is anything ____interest in the exhibition— Yes, I think some of the pictures are____.

Had I known about this computer program,a hugeamount of time and energy ______. [ ]

______ two exams to worry about, I have to work really hard this weekend[ ]

Jim fell off the bike and broke his right leg. –_____.