句型转换：1.He became interested in planes when he was very young

句型转换：
1.He became interested in planes when he was very young.
= He ( )( )( ) planes when he was very young.
2.Because of the heavy rain,they can't go to the meeting.
= ( )( )( ) of the heavy rain,they can't go to the meeting.
3.Nothing happened yesterday.
= Nothing ( )( )( ) since yesterday.
4.He has been in the army for five years.
= He ( )( )( ) five years ago.
5.Tony got up too late to catch the early bus this morning.
= Tony ( ) get up ( )( )( )( ) the early bus this morning.
6.He told me to look out when I crossed the street.
= He told me ( )( ) when I ( )( ) the street.
7.When she was five years old,she began to play the piano.
= She began to play the piano ( )( )( )( ).
8.He asked them.Where will they go tomorrow?
= He asked them where they ( ) go ( )( )(
9.My teacher warns us against playing football in the classroom.
= My teacher warns us ( )( )( ) football in the classroom.
10.Some people prefer buying a new car to mending the old one.
= Some people ( )( ) buy a new car ( ) mend the old one.
11.He takes pride in his success.
= He ( )( )( ) his success.
还有：Keep trying until you succeed.=()() trying until you succeed.