【单选题】What dose “End” at the end of the letter mean?
A.
Something attached to the letter.
B.
A complaint to the toy company.
D.
An encouraging response.
【判断题】If the letter contains documents other than the letter itself, the letter will include the word Enclosure.
【单选题】金属切削机床的主轴属于机器的( )部分。
【多选题】哪些项是研发项目最终必须交付的成果( )
【单选题】On no account ______ borrow money from friends, and still less dependent on the favors of rich relatives.
【单选题】“On no account _____ to feed the animals,” the warning can be seen on the signboard on front of every cage (笼子).