. The trouble is _____ we are short of hands.
| A．what | B．that | C．how | D．why |
Now _____ understanding of climate change is no longer limited to ____ small group of scientists or environmentalists.
| A．/ ; a | B．an ; a | C．the ; the | D．a ; / |
---I’d like to invite you to dinner this Sunday, Mr. Smith.
---_____.
| A．Oh, no. Let’s not | B．I’m very sorry, but I have other plans |
| C．I’d rather stay at home | D．Oh, no. That’ll be too much trouble |
While reading, you can make a mark _____ you have a question.
| A．the place where | B．what | C．that | D．where |
In view of lacking preparations for the competition and not wanting to lose face,
Johnson eventually decided to _____.
| A．drop in | B．drop off | C．drop back | D．drop out |
Shylock, how can you hope for mercy yourself when you show _____.
| A．it | B．nothing | C．none | D．no one |