--- David. Why are you still here? They are ready to start.
--- Sorry, but I when to leave.
| A．don’t tell | B．didn’t tell |
| C．am not told | D．wasn’t told |
—Sorry, I’m late. Has the meeting begun?
—It doesn’t matter. The meeting _______ for several minutes.
| A．has just begun | B．has just been over |
| C．has just been on | D．has just ended |
He didn’t listen to the teacher carefully._______ , he couldn’t answer the questions.
| A．For example | B．Even though | C． As a result | D．As usual |
He is such a busy man that it’s hard for him to________ enough time to meet us at the airport.
| A．offer | B．spare | C．prepare | D．order |
Tom’s decided to devote all he could ________ his English before going abroad.
| A．to improving | B．have improved |
| C．to improve | D．improve |
—_________I borrow your lighter for a minute?
—Sure, no problem. Actually, you _________keep it if you want to. I’ve given up smoking.
| A．Can; can | B．Should; may | C．Must; can | D．May; must |