at the party, we saw Ruth standing alone in the corner of the hall.
| A．Arriving | B．To arrive | C．Arrive | D．Arrived |
The pilot asked all the passengers on board to remain _____ as the plane was making a landing.
| A．seat | B．seating | C．seated | D．to be seating |
—I prefer shutting myself in and listening to music all day on Sundays.
—That’s_______ I don’t agree. You should have a more active life.
| A．where | B．how | C．when | D．what |
My sister, an inexperienced
rider, was found sitting on the bicycle _____ to balance it.
| A．having tried | B．trying | C．to try | D．tried |
Each time _____ they met, they would talk long hours together.
| A．which | B．when | C．during | D．\ |
Cultural exchange __________ better understanding.
| A．make use of | B．make for | C．make up | D．make into |