--What do you think of cloning?
--No doubt it’s a great invention. But ________, it may have some side effects.
| A．if not properly handling | B．if properly not handled |
| C．if not properly handled | D．if properly not handling |
—On Sundays I prefer shutting myself in and listening to music all day on Sundays.
—That’s _______ I don’t agree. You should have a more active life.
| A．what | B．when | C．how | D．where |
We are planning to _______ a party for our grandparents to celebrate their fiftieth anniversary of marriage.
| A．put | B．throw | C．make | D．get |
Have you considered how weak humans are ____ a volcano, hurricane or earthquake?
| A．comparing with | B．compared with |
| C．to compare with | D．having been compared with |
- Jerry, sorry to have kept you wait.
- It doesn’t matter, but I ________ you ________ later than me.
| A．didn’t think, would be | B．am thinking, will be |
| C．thought, had been | D．never thought, would be |
______rise in carbon dioxide is causing _______ steady increase in global warming.
| A．The; a | B．不填; a | C．The;不填 | D．A；the |