directions:complete each sentence with the right modals.choose from the modals inside the box. could must can't mustn't can 1.children ____ obey their parents. 2. _____ I borrow your pen for a moment, please? 3.you _____ take a photos in the museum . they're really strict about it. 4.you ____ wear a seatbelt when you drive. 5.they _____ still be waiting for us. 6. _____i sit beside you? 7.sorry,you _____ _____ use this chair. 8.ma'am ______ i go to the bathroom? 9.he _____ be lost. 10.children _____ tell lies.it's very naughty. 11.you _____ wear the uniform at all times. 12.they _____ go to the party this afternoon. 13.you _____ enter the school gate without an ID. 14.we ______ wear a facemask when we go outside. 15.stop,they _____ hear what we ar saying.