动词填空 用括号内所给动词的适当形式填空。（本大题共8分，每小题1分）
小题1:We all know Lisa is a polite girl and she ________ (treat) the elderly politely and equally.
小题2:Mr Zhang ________ (contact) us and told us something important about the trip last night.
小题3:It’s necessary for little Tom ________ (not argue) with his twin brother any more.
小题4:Our classmates ________ (group) into four teams, so we could have a competition in class.
小题5:He ________ (save) money now because he wants to buy a beautiful overcoat for his mother.
小题6:— How are you getting on with your English, Grace?
— Not very well.I find it difficult.I ________ (not improve) it yet.
小题7:The teaching centre kept ________ (provide) chances to study for their students last year.
小题8:Olympic Games people are looking forward to ________ (hold) every four years.