用适当的代词填空
- I find _______ difficult to fall asleep at night recently.
- The children are good students. _________ (they) teacher likes _________ (they) very much.
- A clock has no legs. But it has three hands on _______ (it) face.
- Could you give _________ (she) a pen? ________ (she) is broken.
- Mr. and Mrs. Green as well as a friend of _________ (they) are coming to see us.
- Jack and Lily, help _________ (your) to some drinks. They are on the table.
- Please join _______ (we). ________ (we) clubs are very good.
- ---- Do you know where Bob and Jack's classroom is? ---- Yes. _______ (they) classroom is next to _______ (we).
- ---- Are _______ (this) your pens? ---- No. ________ (them) aren't.
- Our books are all here. Are _________ (they) here?
- This isn't my dictionary. ____________ is over there on the desk.
- The gravity on Mars is only about three eighths of __________ (those) on the Earth.
- Once robots can think for __________ (they), problems may appear.
- Amy hid under _________ (she) desk in a hurry when the earthquake happened.
- Yuan Longping helped lift the nation out of hunger. People will never forget ________ (he).