53.          

What problem do some farmers have?

• A、They have no workers to remove fruit trees.

• B、There is little land for growing fruit.

• C、Their crops were badly damaged last year.

• D、It's difficult to harvest their crops.

I asked him to goto the art exhibition， but he said he had_____ seen it.

• A、still

• B、already

• C、also

• D、often