19．It's time for me ______ goodbye to my mother school．I will never forget all my ______ love．（ ）
| A． | to say； teachers' | B． | saying； teachers' | ||
| C． | to say； teacher's |
18．Everyone plays an important part in society．As members，we should try our best to do______ to make the world better and better．（ ）
| A． | what we should do | B． | what should we do | ||
| C． | how we should do |
16．-Helen，could you tell me ______ living in the countryside？
--Perhaps next weekend．（ ）
--Perhaps next weekend．（ ）
| A． | why you will visit your granny | |
| B． | when will you visit your granny | |
| C． | when you will visit your granny | |
| D． | why will you visit your granny |
15．-Mum，______ of my classmates ______ glasses．
--Oh，my god．You need to protect your eyes well．（ ）
--Oh，my god．You need to protect your eyes well．（ ）
| A． | three-fourths； wears | B． | three-fourth； wear | ||
| C． | three-fourth； wears | D． | three-fourths； wear |
14．-We can invite Nick and Paul to Shanghai Disneyland with us．
--______I'll give them a call right now．（ ）
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--______I'll give them a call right now．（ ）
| A． | Why not？ | B． | What for？ | C． | Of course not． | D． | Not at all． |