. —He hasn’t gone to the office up to now. —Well, he ____.
| A．should | B．ought to | C．ought to go | D．ought to have |
twice a year, whether it is a car ,a bus or a truck, is the rule that every driver must obey in this city.
| A．Examining | B．Examined |
| C．Being examined | D．Having been examined |
to his scientific research, the professor cared little about his family.
| A．Devoting | B．Devoted | C．Having devoted | D．To devote |
Simon made a big bamboo box _______ the little sick bird till it could fly.
| A．keep | B．kept | C．keeping | D．to keep |
what their friendships are based upon, the important thing to remember is both of them are friendships.
| A．Regardless that | B．Regardless of, that |
| C．Though, / | D．Despite, what |
Mum disagreed with my suggestion that we ________ skating this weekend.
| A．would go | B．went | C．going | D．go |