Mother made a promise ____ I passed the college entrance examination she would buy me a mobile phone.
The cousins are alike in age, but _____ they are as different as day and night.
Is it a wonder that _____ little cells can store _____ much energy?
Not having worked out the problem, _____ leave the office.
----Why isn’t Cathy here yet?--- She _________ to be picked up at the station.
“ _____ to Michelle and having two beautiful girls in my house never allows me to look down upon women,” said Obama.