He is said ______ to Beijing last week.
| A．go | B．to go |
| C．to have gone | D．having gone |
Once a decision has been made, all of us should _________ it.
| A．direct to | B．stick to |
| C．lead to | D．refer to |
_______ ,! have to put it away and focus my attention on study this week.
| A．However the story is amusing |
| B．No matter amusing the story is |
| C．However amusing the story is |
| D．No matter how the story is amusing |
Elephants have their own way to tell the shape of an object and _________ it is rough or smooth.
| A．不填 | B．whether | C．how | D．what |
Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years __________ it has warmed in the 20,000 years since Ice Age.
| A．as long as | B．as much as |
| C．as soon as | D．as well as |
He is able to lift __________ of two hundred jin.
| A．weigh | B．weights | C．a weight | D．weighty |