【简答题】Fill in the blanks with the following words. You may use some words more than once. unless if otherwise 1. ________ I hear from you within 10 days, I will have no other choic...
【简答题】Fill in the blanks with proper forms of the words in the brackets. 1. They postponed _______ (visit) their friends until next Friday. 2. All flights have been ________ (cancel) because of bad weather....