Do you mind ________the door for me __________

Money is often _______ to be very important in our life, but in fact there is something more important than it.

The two girls are so alike that strangers find _____ difficult to tell one from the other. [ ]

Most whales must come up for air afterseveral minutes, _______ a few can stay under water for an hour or more.

Why don’t you _____ us to _____ the speech contest