Fill in the Blanks ModalsOnline version Choose the best option by Izamar Solis 1 must has must can't not should not may could must must to must 1 . It have been very expensive . 2 . I have left it in the restaurant we had dinner at last evening . 3 . The exam have been very difficult . 4 . They have gone away . 5 . That have been the right restaurant . I guess there was another one around there so mewhere . 6 . She read four books for this literature class . 7 . You eat that . 8 . We go on the trip if I didn't have to work this weekend . 9 . Johnny , you leave the table when you have finished your dinner . 10 . When you go to Berlin , you visit the palaces in Potsdam .