The man we followed suddenly stopped ad looked as if ________ whether he was going I the right direction.
| A．seeing | B．having seen |
| C．to have see | D．to see |
______ they obtain from the activities is very important to the training in their character.
| A．That | B．Which | C．What | D．How |
It’s well known that good relationship between two countries __________ the development of mutual culture and economy.
| A．results from | B．arises from | C．contributes to | D．leads to |
She made a promise _______ anyone could save her life, she would give him all her wealth.
| A．which if | B．that if | C．that | D．if |
With all the family members ______ on vacation without him, the boy felt extremely lonely and afraid.
| A．to have gone | B．going | C．had gone | D．gone |
Why so many youths are _____ on playing computer games often puzzles us a lot.
| A．fascinated | B．crazy | C．keen | D．fond |