________ cleaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.
Believe it or not, no bread eaten by us is as sweet as _______ earned by our own labor. A one B. that C. such D. what
With the successful launch of Tiangong-l, which was _____ breakthrough in space field,China's space dream took a step closer to _____ reality.
He is sure to ________ with the help of Mrs. Li.
Every year he ________ to Beijing to visit his teacher.
The last bus has left; ________, you’ll have to walk there.