I would appreciate it _______ you call back this afternoon for the doctor’s appointment.
| A．until | B．if |
| C．when | D．that |
Be careful with such things. If you _____, you’ll drop them.
| A．don’t | B．aren’t | C．won’t | D．do |
Not until Dec. 2003 _____ caught by the US soldiers, and it was a great victory for the USA.
A. was Saddam Hussein
B. Saddam Hussein was
C. had Saddam Hussein been
D. Saddam Hussein had been
You may depend it won’t happen again.
| A．that | B．on that |
| C．on it that | D．on it |
Thank you for the trouble me with the work.
| A．having; helping | B．taking; helping |
| C．taking; to help | D．having; to help |
His name was on the _____ of my tongue, but I just couldn't recall it.
| A．end | B．point | C．edge | D．tip |