问题

We were badly treated in the hospital. Don’t worry.The president has promised to ______ your complaint at once.
A:look up
B:look into
C:look back on
D:look forward to
B:look into
C:look back on
D:look forward to
正确答案是:
同类题型
In recent years, many children are made ________ what they don’t show________
The teacher advises us to use these two course books __________each other.[ ]
How is the boy?—Sorry.He__________though the doctor made every effort to save him.
me and don’t go away. There are a lot of people in the train station.