29. _____ the lack of workforce in many industries, workers are now commanding higher salaries than they used to be.
| A．Regardless of | B．Due to | C．In case of | D．According to |
We were going out for a walk ________ it began to rain.
| A．while | B．before | C．as | D．when |
— What did Tina say just now?
— She asked ____ this summer holiday.
| A．whether could you teach her dance |
| B．that whether you could teach her dance |
| C．if could you teach her dance |
| D．if you could teach her dance |
Bill’s fully ____ from his heart disease. He is very happy.
| A．suffered | B．returned | C．resulted | D．recovered |
While____the dog,you should take care not to____.Otherwise,it may be dangerous to strangers.
| A．walking; get loose | B．walk; be loose |
| C．walking for; get it loose | D．training; get it run |
Tom ____ skating, so he spends all his spare time on it.
| A．is popular with | B．is concerned about |
| C．is proud of | D．is crazy about |