16.It is no doubt that once ____ this city, you’ll find that there is so much surprise waiting for you to discover. visit B. visiting C. visited D. to visit
The summer holiday is just ____ the corner. How do you plan to spend it?
____ hands and knees Helen Thayer got the tent up.
The woman looks so worried. She seems ____ something valuable.
For women life sometimes seems ____ it is for men.
____ his homework, the boy went out to play games with his friends.