【单选题】【消耗次数：1】
When you send a letter or a postcard, you have to put_________ on th envelope or on the card.
①
mails
②
parcels
③
receipts
④
stamps
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【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”When you send a letter, you have to put stamps in the envelope.
①
正确
②
错误
【单选题】
When you have finished with that video tape, don’t forget to put it in my drawer, ---_____?
①
do you?
②
will you
③
can you
④
dont
【单选题】
Put it down, Richard. You mustnt read ____ letter.
①
anyones elses
②
anyones else
③
anyone elses
④
anyone else
【单选题】
Put up the passbook and the card properly. ______us as soon as possible if you lose them.
①
Reform
②
Inform
③
Transform
④
uniform
【单选题】
Only when you have acquired a good knowledge of grammar ____ write correctly.?
①
can you ?
②
will you ?
③
you can ?
④
can’t you?
【单选题】
You should have put the milk into the icebox, I expect it ____ undrinkable.
①
became
②
had become
③
has become
④
becomes
【单选题】
You ____ that letter to James. However, you didn’t.
①
ought to write
②
ought to have written
③
should write
④
should be writing
【单选题】
—When will you arrive, madam?— .
①
Thank you very much.
②
Four nights.
③
On May the 4th.
④
I dont know.
随机题目
【单选题】
光学显微镜观察近端小管的结构下列说法不正确的是（）
①
管径大、管壁厚、管腔小，且不规则
②
上皮为立方形或锥体形，胞体较大，核大而圆，位于细胞基部，胞质嗜酸性
③
细胞间分界不清
④
游离面有大量的微绒毛扩大重吸收的表面积
⑤
上皮细胞腔面有刷状缘，基底部有纵纹
【单选题】
关于附睾的叙述，下列哪项是错误的（）
①
位于睾丸的后缘和上端
②
属输精管道之一
③
分头、体、尾三部分
④
除储存精子外，还分泌液体供精子营养
⑤
具有分泌雄性激素功能