(大连市高三双基测试卷) In the dormitory, many students like to _______ pictures to make the room less bare.
— When do we need to pay the balance?— ____ September 30.
______ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.
I greeted the teacher with “ hello”, and the teacher gave me a sweet smile ______.
Do you know the trouble he had _____ the work?
A communicative satellite ______ as much as 3.5 tons was sent up into space last week.