单选题 -Isthis____ruler?

一No.____is over there.

单选题 English is____useful language. We should learn it well.

单选题 .-Is there____in today's newspaper?

一Yes, our national team won all the seven gold medals once more.

单选题 The student didn't find much____about the topic on that website.

单选题 Mr. Smith thinks running is____than gymnastics.

单选题 ____mothers couldn't go to the meeting， because they have gone to Shanghai.

单选题 Did you know that the Earth is home to____ animals?

单选题 I couldn't have done it____your great help. Thanks a lot!