I saw Li Ming near the river on my way home.
Bob can play ________ tennis but can’t play ________ violin.
---Excuse me,Can this magazine be taken out of the reading room? -----,———you can only read it here.
-----Do you know how long the diameter of the Mars? -----It’s didmeter is 53%_____that of the earth?
I swam in the river and caught a small fish yesterday afternoon.----_____
---how many students are there in the classroom? ---_____Idon’t know where they have gone.