We still gave the boy another chance ______he made some mistakes.
----It’s important_____ a foreign language. ----I agree with you. We should study hard.
I ______ to think their jobs were ______ .
The maths problem is ______ hard for us ______ solve.
The girl was seen the piano at 4.00 yesterday afternoon.
— Where ’s your mother ?— She ________ Shanghai . She won’t be back ________ next week .