—Ready to give up guessing, Sandy?
—No, no. Hold on! I think I _______ at the answer now.
| A．arrive | B．have arrived | C．arrived | D．am arriving |
---When did you get to know each other ?
----It was in 2008___we spent summer vocation together.
| A．that | B．when | C．before | D．since |
Many parents have called head teachers to know ______ their children are getting along well with everything in the school.
| A．if | B．how | C．that | D．where |
The US Space Agency sent up a space probe to hit the moon to see ______.
| A．whether there was water on it | B．whether was there water on it |
| C．whether on it was there water | D．whether was water on it |
You can never imagine what great trouble I have had ______the patient who receive a serious wound.
| A．treat | B．to treat | C．treating | D．treated |
______ of the land in Jia Xing No. 1 Middle School _______ covered with trees and grass.
| A．Two third, are | B．Two thirds, are | C．Two third, is | D．Two thirds, is |