We found it difficult _______ there on time.
| A．get | B．to get | C．getting | D．got |
It’s really cold today， ______ ?
| A．does it | B．doesn’t it | C．isn’t it | D．is it |
---He’s never been to an aquarium.
---_______.
| A．Neither have I | B．Neither do I |
| C．I never too | D．I don’t too |
Would you mind ______ those old jeans?
| A．don’t wear | B．not to wear |
| C．aren’t wearing | D．not wearing |
I have been skating _______ nine o’clock.
| A．for | B．since | C．at | D．From |
He _____ when the UFO arrived.
| A．was sleeping | B．were sleeping |
| C．has slept | D．is asleep |