—Tom is so joyful that he smiles at everyone.—So ________ you if you get the first in the exam.
__seems easy to some people seems difficult to others .
The twins,______at birth,do not know each other .
______to looking after her sick father for 2 years ,she badly needed a holiday.
----Would you please give me a hand and take the bookcase upstairs? ---_______.
Until he told me yesterday,I knew______of what had happened to him .