Scientists can make the robots __________.

Life in the 21stcentury is much better than_____ used to be

ber how we met for the first time,Dick —Of course I do．You ______ to the teachers’office hurriedly and ______ me．

We are planning to have a casual get-together thisSaturday or Sunday Are you coming—______ I’ve got rather a busy day this weekend

My son prefers us to email each other once a week spend half an hour on the phone every night.