1. It is difficult to __________ one twin from the other.
They almost don't __________ from each other.
| A．differ; distinguish |
| B．distinguish; different |
| C．distinguish; differ |
| D．tell; different |
The students are doing _______ important task; they share _____ common goal , that is, to be admitted into the famous universities.
| A．an, a | B．an, the | C．不填， 不填 | D．不填 , a |
I know Tom didn’t take money with him; _______,he would have lent it to me
| A．If not | B．If so | C．If any | D．If some |
________her sleeping baby in the arms, the scene was very happy.
| A．The mother took | B．The mother taken | C．The mother taking | D．The mother to take |
_____ from the top of the tower, the east foot of the mountain is a sea of rape flowers.
| A．Seen | B．Seeing | C．Having seen | D．To see |
______, he can speak three foreign languages fluently.
| A．As he is a baby | B．As is he a baby | C．A baby as he is | D．Baby as he is |