There is no point making complaint of getting low-paid ______ you don’t make any effort at all.
| A．until | B．when | C．once | D．though |
The Olympic Games makes _____ possible for people to live side by side in peace.
| A．this | B．it | C．that | D．不填 |
We’re looking forward to _____ a wonderful holiday.
| A．having | B．have | C．had | D．has |
Excuse me, but can you tell me _____?
| A．where can I get to the library | B．where I can get to the library |
| C．how can I get to the library | D．how I can get to the library |
_____ he said is really interesting.
| A．Why | B．This | C．What | D．It |
Mary often helps her best friend, ______ math is very poor.
| A．whose | B．who | C．what | D．where |