Every hour and every minute ______precious to us because only six months are left for us to prepare for the college entrance examinations.

Not far from the house ____ two gardens, ______ seated nearby playing bridge with his children．

---How did your students express their thanks to you on Teachers’ Day?
---A gift together with many flowers _______ sent to me .

________ as he was, he looked quite calm in that difficult situation.

The number of people present at the meeting ________ about 1000, a large number of whom ________ experts from abroad.

Faced with a bill for $10,000, _____.

The country’s population     small, and most of its population      in the mountainous areas.

Every student as well as some teachers who _________to visit the Forbidden City
_________asked to be at school gate before 6:00 in the morning.

—Does the old man know the museum very well?
—No, this is the first time he __________ here.

---Have you heard that Tom, as well as his parents, ________ moved to Beijing ?
---Really ? No _________ I haven’t seen him for a long time.