4．______in his office work, he had no time to attend to his sick daughter.
| A．Kept engaging | B．Kept engaged |
| C．Keeping engaging | D．Keeping engaged |
35．Fortunately we had a compass, without________we would have got lost.
| A．which | B．it | C．that | D．what |
34．Terrible as the storm was, umbrellas tightly__________in our hands , we continued our way.
| A．to hold | B．holding | C．were held | D．held |
33．— Is it all right if I come at about 8.30 ?
— No, I ________ the football match then.
| A．watch | B．will be watching | C．are watching | D．Watched |
32．He was very busy, and________he didn’t go to the party that night.
| A．however | B．otherwise | C．therefore | D．Anyhow |
31．America was_________was first called “India” by Columbus.
| A．what | B．where | C．which | D．That |