At the age of 29, Dave was a worker, ______ in a small apartment near Boston and ______ what to do about his future.
The woman scientist was so busy that she could hardly_______time to her children.
On Feb. 6, Xi’an-Zhenzhou High Speed Railway,___________first high-speed railway in_______West China, was put into operation.
I advised you _____ drink water that isn’t ______ any more.
— ________? —No, you have to pay for them.
Is this the reason at the meeting for his carelessness in his work?