In ________ most countries, a university degree can give you ________ flying start in life.
| A．the; a | B．the; 不填 |
| C．不填；不填 | D．不填；a |
--- She has been ill for a week.
----- I _____ with her at noon tomorrow.
| A．stayed | B．stay | C．am staying | D．shall be staying |
Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.
| A．switch off | B．go off | C．take off | D．bring off |
____ he was not rich enough to buy whatever he wanted, Edison decided to make his new laboratory the best.
| A．Although | B．Since | C．When | D．As |
We still cannot persuade him to give up smoking ____ hard we tried.
| A．so | B．how | C．though | D．however |
____ we went those days when we were in the countryside, we were warmly welcomed.
| A．There | B．Where | C．Wherever | D．Whatever |