1.Thousands of cranes____
a.will be returned the spring
b.will return the spring
c.will be returned in the spring
d.will return in the spring
2.These boxes____with care.
a.should have handled
b.should be handling
c.should handle
d.should be handled
3.The residents____that there is a crocodile at large in the area.
a.must be warned
b.must have warned
c.may warned
d.may be warning
1.Thousands of cranes____
a.will be returned the spring
b.will return the spring
c.will be returned in the spring
d.will return in the spring
2.These boxes____with care.
a.should have handled
b.should be handling
c.should handle
d.should be handled
3.The residents____that there is a crocodile at large in the area.
a.must be warned
b.must have warned
c.may warned
d.may be warning
1.Thousands of cranes____
a.will be returned the spring
b.will return the spring
c.will be returned in the spring
d.will return in the spring
2.These boxes____with care.
a.should have handled
b.should be handling
c.should handle
d.should be handled
3.The residents____that there is a crocodile at large in the area.
a.must be warned
b.must have warned
c.may warned
d.may be warning