Hi, sir. Some students want to see you. ______ they wait here or outside?
| A．Will | B．Shall |
| C．May | D．Can |
— Is it for two months ________ they have stayed here?
— No. It’s only three weeks ________ they arrived here.
| A．that; since | B．that; after | C．since; before | D．when; that |
We should not let our grandparents who are too old and weak ________ alone.
| A．live | B．living. | C．to live | D．lived |
The bank, whose walls are painted white, ________a safe and reliable place.
| A．is thought as | B．is thought of as |
| C．is thought of to be | D．is thought of |
All the neighbors admire this family, ________ the parents are treating their child like a friend.
| A．why | B．where | C．which | D．whose |
We have just heard a warning on the radio ________ an earthquake is likely to strike that area again.
| A．which | B．what | C．that | D．when |