With their son ______, the old couple lived a hard life.
His mind went so blank that little ______ down for the first ten minutes in the test.
---Why was it ______ you were so angry? ---Because we failed to take part in the basketball match.
The Bakers intend to buy a house but _____ must be within their power.
Fully ______in preparing teaching assignment at school,she no longer has much time to enjoy the various activities as usual.
---Where is your report of this month? ---Oh sorry,I______ to email to you.