So suddenly_______that the animals in the zoo looked very frightened during the total solar eclipse.
5 When and where to go _____A have not decided B have not been decided C has not decided D has not been decided
4 ____ a certain doubt among the students as to the necessity of the work.A There has had B They had C There existed D It existed
3 You can’t imagine such a beautiful girl ______ say such rude words.A might B need C should D may
2 The bell ________ the end of the period rang, interrupting our heated discussion.A indicating B indicated C indicates D to indicate
ⅣMultiple choice.1Fishermen and sailors sometimes claim____ monsters in the sea.A seeing B to have seen C having seen D to see