He ______ his friend the moment he got the good news. A contacted with B contacted C kept in contact with D noticed
Not only ______ polluted but ______ crowded.
The book I bought from the bookstore isn’t here. Who __________?
The official made the demand that the soldiers _____ at once ______ battlefront.
— I will come to attend your lecture at 10:00 tomorrow. — I’m sorry, by then my lecture will have ended and I _____ in my office.
TheInternetin modern society hasbrought_______greatchangesinour daily life.