He feels like the Internet day and night. Tell him not to do it again.
| A．search | B．to search | C．searching | D．searches |
Frank ______ to see his grandpa if he ______ free tomorrow.
| A．will come, is | B．will come, will be |
| C．comes, is | D．comes, will be |
— ______ salt do we need?
— One spoon is enough.
| A．What | B．What kind of |
| C．How much | D．How many |
I’m going to ______ a new hobby. I want to learn how to take photos.
| A．take down | B．take up |
| C．turn down | D．turn on |
Robots are ______ do the same things as we do.
| A．enough clever to | B．clever enough to |
| C．too clever to | D．so clever that |
Tigers wait ______ it is dark, then they go out to find their food.
| A．though | B．as | C．because | D．until |