—Whose book is this? —It’s______.

This book discusses the most recent events of space travel, it certainly is ____. A：up t

This book __________ written ages ago－－－－－－－ it’s terribly out ofdate.A. must beB. shou

Man: I like this TV set a lot.______ Woman: It s made in Germany.A．What make is it？B．Where

This problem is very difficult to deal with. It’s really_______.A、convincingB、seriousC、t

21－Is it OK to take this seat？ －Sorry. _______ A. here you are B. take it C. it’s taken D.

Would you please pass me the book ________ cover is black? A) which B) whose C)