I really appreciate ______ to relax with you on this nice island.
| A．to have had time |
| B．having time |
| C．to have time |
| D．to having time |
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
| A．being carried out | B．carrying out | C．carried out | D．to carry out |
Tell me how to operate the electronic computer, ______?
| A．will you | B．shan’t you | C．do you | D．don’t you |
He was told that it would be at least three more months ___________he could receover and return to work.
| A．when | B．before | C．since | D．that |
The man pulled out a gold watch, _________ were made of small diamonds.
| A．the hands of whom | B．whom the hands of |
| C．which the hands of | D．the hands of which |
The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make ________ it is .
| A．what | B．which | C．how | D．where |