The work is ___difficult for the boy to do. Please give him some help.
| A．too | B．of | C．at | D．By |
Mary cares about clothes, and she _____ lots of money _____ clothes.
| A．spend; for | B．cost; at | C．pays; to | D．spends; on |
Mary is flying to France soon. She will arrive ______ London _____ the morning of July 19.
| A．to， on | B．in， on | C．in， in | D．at， in |
Alicebe at school because she phoned me from her home a minute ago.
| A．mustn’t | B．isn’t able to | C．may not | D．can’t |
After discussing, the students some good ideas to work on the projects.
| A．put up | B．set up |
| C．caught up with | D．came up with |
He is a _____ boy, so he can’t go to the park by himself.
| A．six-year-old | B．six year old |
| C．six-years-old | D．six years old |