Unit4 GrammrEx.1. They can be__ three large groups.2. She was___ on of the greatest scientists of our times.A . Classified intoB. Classified asC. Classified to beD. classifiedAB3.The time ___ the meeting was 2 pm. A. was appointed to B. appointed to C. appointed for D. appointing forC4. Snow ___ a depth of five feet.A. increased toB. accumulated toC. accumulated byB5. Police will be ___ trouble- makers at today’s match.A. look out forB. looking out forC. look out at D. looking out atA6. I know nothing about the project. Can you explain it to me___?7. Can you give me a ___ explanation?A. in detailB. in detailsC. detailedD. detailAC8.Because of his good work, John _____ a high class. A. was promoted to B. promoted into C. was promoted from D. was promoting toAhave an appetite for 9. 此时此刻她无心闲聊。At the moment she had no appetite for gossip.10. 他正忙着准备入学考试。be involved inHe is involved in preparing for the entrance exam= be busy doing / be engaged in从事, 忙于……involve sb. / sth. in (doing ) sth. 使某人 / 物参与……Don’t involve me in solving your problems.11. 她陷入绝望之中。She abandoned herself to despair.( 与 oneself 连用 ) 使放纵 ; 使听任 [(+to)]Grammar ---object 宾语直接宾语:表动作的承受者间接宾语:表动作是对谁或为谁做的He asked me a question.可充当宾语的有名词或代词数词动词不定式动名词或动名词的复合结构宾语从句名词或代词He bought a book.He told it to me in the classroom.数词Two plus two makes four.动词不定式He wanted to have a holiday.动名词No one likes being laughed at.动名词的复合结构He apologized for___to inform me of the change in the plan.A. His being not ableB. his not to be ableC. his not being ableD. he not being ablec在动名词前加表示人的名词,名词所有格,人称代词,或物主代词,表示动名...