—— Have you ever seen a whale alive?
—— Yes, I’ve seen ＿＿＿.
A.that B.it C.such D.one
With so much water being used in the bathroom,it is no _____ that more environmentally friendly technologies have come out to make better use of water resources.
A.surpriseB.need C.questionD.doubt
.Nothing but one desk and six chairs ________ in the room.
A.areB.is stayedC.isD.are left
Peter has gone to Beijing, but I’m wondering why he ________ in such a hurry.
A. left B. has left C. leaves D. was leaving
Tom has been out of work for two years, so he has difficulty______.
A. earning living B. earning his living C. to earn livings D. to earn his living
The place _______interested me most was the Children's Palace.
A. which B. where C. what D. in which
