John’s ability to learn from observations and experience _______ greatly to his success in public life.
| A．owed | B．attached | C．related | D．contributed |
. ----Daddy，look! Why______rainbow is like a bow?
----Oh，it is apologizing to_______angry sky.
| A．the；an | B．a；／ | C．a；an | D．the；the |
----Jimmy, shall I give you a ride as you live so far away?
----Thank you very much. __________.
| A．It couldn’t be better | B．Of course you can | C．If you like | D．It’s up to you |
As far as I know, this maths problem is _______________ that one.
| A．twice so difficult as | B．twice as difficult as |
| C．as twice difficult as | D．so twice difficult as |
. Tom as well as his classmates __________ a song when the teacher came into the classroom.
| A．are singing | B．were singing | C．is singing | D．was singing |
. Only when your identity(身份) has been checked, _____________________.
| A．you are allowed in | B．you will be allowed in |
| C．will you allow in | D．will you be allowed in |