-You’ve dropped __________ “s” in the word “across”.-Oh, you are right, __________ letter “s” should be doubled like this “cross”.
Steve is looking ________ a Chinese friend by chatting ________ some Chinese children on the Internet.
—Hello, Mr Green! Could you tell me something about your study? —OK, but I’m busy now. I’ll get back to you ________ a minute.
.Li Ming listens to the teacher asas Tom.
-----When did you arrivethe farm? ----- Sunday evening.
Not only he Not only Ifrom Beijing.