目前，越来越多的家长花巨资送孩子出国学习，且出国深造的孩子呈低龄化趋势。请通过这一现象用英语写一篇短文, 来说明家长们此举的利弊, 并表明自己的看法。
注意: 1. 要求结构完整，语意连贯，观点正确。
2. 词数不少于120字。
— Hi, Mary. Any idea where Bill is?
— He ______ in the library. I saw him reading books there just now.
| A．shall be | B．should have been | C．must be | D．might have been |
I tried to call up my relatives in Kyrgyzstan where an unrest(动乱) was going on, but couldn’t _________.
| A．go through | B．get over | C．get along | D．get through |
On the long journey, Peter ______a most interesting guide .We all had a wonderful
time .
| A．practised | B．behaved | C．proved | D．conducted |
The seller would sell the coat for five dollars, but the customer ______ four dollars．
| A．asked | B．offered | C．charged | D．sold |
—I am sorry I didn’t do a good job．
—Never mind．________, you have tried your best
| A．Above all | B．In all | C．At all | D．After all |