Ⅰ. 单句语法填空
1. There was a serious incident involving(involve) a group of youths.
2. The price of this type of computer varies(vary) in different shops.
3. The rapid spread(spread) of the disease made many people worried.
4. It’s said that those with the blood of type O are most aggressive(aggression).
5. She’s been receiving threatening(threaten) phone calls.
6. We should be conscious(consciousness) of our own strengths as well as weaknesses.
7. This is an informal(informally) conversation between the leaders of two countries.
8. As you know, human beings sometimes enjoy communicating(communicate) with others in body language.
9. In England, turkey is traditionally(tradition)eaten on Christmas Day.
10. They sat on the hillside, staring (stare)out across the valley.
