--Have you got the leaving time of the train for me?
---Yes, but you’d better ____of it by yourself.
| A．make sure | B．be sure | C．to make sure | D．be certain |
We need water to irrigate the fields.
| A．a great deal | B．a great many | C．a large quantity | D．plenty of |
—Is Bob still performing?
—I am afraid not. He is said ___ the stage already.
| A．to have left | B．to leave | C．to have been left | D．to be left |
—Oh, it’s you! I _____ you.
—I’ve just had my hair cut, and I'm wearing new glasses.
| A．didn’t recognize | B．hadn’t recognized | C．haven’t recognized | D．don’t recognize |
To their great joy, the day they looked forward to _______at last.
| A．coming | B．had come | C．come | D．came |
____ the poem a second time, the meaning will become clearer to you.
| A．Our having read | B．While reading | C．When you read | D．If reading |