—Hi, Mary! Do you know where Jim is?— I think he ________ a lecture in the library.
English has been very popular because it is the _______ language in many western countries.
He said that his friend ______ there three days before, but she was not there_______.
If it is a sunny day tomorrow, let’s ______it and go swimming in the South Lake.
He said that his bike _____ stolen and he ____ telephone the police.
---Did the naughty boy break the glass by chance? ---No, ________.