—What should we pay more attention to if we go north in winter, Mum?—Nothing much. Take warm clothes________ the weather is cold.
The monument was built in honor of the explorer who was believed ________ the big river.
After chatting on QQ a long time, Mary looked up, ________ that it was 11:00 pm, long past her usual bedtime.
—What do you think of the two students ________ to take part in the competition? —They are hardworking as well as intelligent.
A small plane crashed into a hillside five miles east of the city, ________ all four people on board.
Our director is out. I'll have her ________ you on the matter when she's back.