单项选择题Shop-assistant: Can I help you Customer: Yes, I'd like to try these shoes in size 4, please Shop -assistant: Yes, just a moment... I'm sorry but we've only got them in four and a half.______
单项选择题The number of the employees ______ in this company.
单项选择题The manager needs an assistant who he can ______ to take care of problems in his absence.
单项选择题The stock ______ in value should be sold.
单项选择题______, I wrote a letter to Henry Ford Ⅱ and told him what happened.