Question

1.Mrs.Smith was busy last weekend because her grandchildren ..... with her.
a) had been staying
b) were staying
c) stayed
d) had stayed 
2.He was taken to the police station because he ..... into a car in front of him.
a) crashed
b) had crashed
c) didn`t crash
d) wasn`t crashing 

Answer 1

2) - b 1)- или а или d , скорее всего а )