问题
It is reported that great efforts made to ________ the case have paid off.
A: run into
B: look into
C: run after
D: look after
B: look into
C: run after
D: look after
正确答案是：
同类题型
Mr Smith owned ____ collection of coinsthan anyone else I have ever met
t comes to second handcars, one has to be as as possibleabout the source and the condition of them
CouldIborrowyourpen?— Yes,ofcourseyou____.[ ]
The music, ___ which the active elderly were dancing, sounded a bit familiar ____ me