—Would you please help me to send her the book at your ___?
—Certainly
| A．request |
| B．convenience |
| C．expense |
| D．experience |
— Hurry up, the train ________ at 8 O’clock.
— I________, Mum.
| A．will leave; am coming | B．leaves; am coming |
| C．leaves; will come | D．is going to leave; am about to come |
— Jake told me he was in the museum just now.
— He is actually at home.________, he’s upstairs doing his homework.
| A．Believe it or not | B．In general |
| C．In your opinion | D．In the end |
Only in this way _______ to make improvement in the operating system.
| A．you can hope | B．can you hope |
| C．you did hope | D．did you hope |
— We need an immediate reply.
— I see. I will send the paper to you ________.
| A．after a while | B．sooner or later | C．right away | D．for a while |
The past 30 years__________ the great changes that have taken place in my hometown.
| A．saw | B．was seen | C．have seen | D．see |