一、1.Word Formation
0. There are lots of tall______(build) in this modern city, but I can afford none.
1. It"s proved that this interesting and______(instruct) book is a great success.
2. The government signed a bill______(force) motorists paying their fees at the end of this year.
3. What______(love) weather it is today!
4. John spoke slowly to make himself______(understanding).
5. His new work is______(concern) with tropical forest.
6. It"s high time that you______(tell) her the truth.
7. The teacher handed out the answer______(sheet) as all the students entered the room.
8. The happy time with my girlfriend was really______(forget).
9. China is an aging society, with 7% of its population______(be) over 65 years old.