---Have you decided already?
---Yes, I at once.
| A．have decided | B．decided | C．will decide | D．had decided |
--- How about going hiking this weekend?
--- Sorry. I prefer _______ rather than _______.
| A．to stay at home, go out | B．to go out, stay at home |
| C．staying at home, go out | D．going out, stay at home |
The teacher asked the students ________.
| A．if they were interested in dinosaurs | B．when was Albert Einstein born |
| C．what they will do with the computers | D．how many trees they have planted |
Could you tell me _______ ?
| A．what the matter is with you | B．what was the matter with you |
| C．hat’s the matter with you | D．what’s the wrong with you . |
He asked me _______ I could sing the song “My Heart will Go On.”
| A．if | B．weather | C．what | D．that |
Our teacher told us that the moon _________ round the earth.
| A．went | B．turned | C．go | D．turns |