After two years' physical training， he was____and healthier．（ ）
A．weakerB．longerC．strongerD．shorter
________ a beautiful girl she is!（ ）
| A． |
How |
B． |
What |
C． |
Where |
D． |
Who |
She often practices _____ on weekends．（ ）
| A． |
sing |
B． |
sings |
C． |
singing |
D． |
to sing |
Although they feel tired，_____ they still go on working．（ ）
| A． |
and |
B． |
but |
C． |
so |
D． |
/ |
It isn't easy for us ______ English well．（ ）
| A． |
learn |
B． |
learns |
C． |
learning |
D． |
to learn |
Who cleaned the room？
Li Lei _________．（ ）
| A． |
is |
B． |
was |
C． |
dose |
D． |
did |