Jack said he ______ (return)the two books to the library in a week．
举一反三
- 5. Here are the books which must (return)______ to the library next week.
- It is necessary that everyone (return) （） books to the library on time.
- Jack also said that he would be back on December 25th. Jack also said that he would not be back ______ December 25th.
- He very busy this week, he free next week.
- It was in the library he read three books yesterday.