Fill in the blanks to complete the sentences

There was nothing but one______(方形的) table and two benches in the house. Seeing a book on the ground, she_____(弯腰) over to pick it up. He_______ (犹豫) before he answered because he didn’t know what to say. On hearing the bang of the gun, the birds in the trees flew away in all________(方向)。 I have no______(怀疑) that our country will lead the world in space exploration.

square

bent

hesitated

directions

doubt