17. Children brought up in cities are often full of _______ about how beans, peas, cucumbers, eggplants, mushrooms carrots, which they eat as daily vegetables, _______.
| A．ideas; are grown | B．curiosity; are grown | C．fantasies; grow | D．imagination; plant |
You'd better do it ________ your mother did.
| A．when | B．as | C．like | D．because |
______ they are brothers, they don't look like each other at all.
| A．Because | B． Though | C．When | D． As |
--- When did you know the news?
--- I knew nothing about it _________ my friend told me.
| A．after | B．it | C．because | D．until |
The question ______by us soon.
| A．is going to discuss | B．will discuss |
| C．is going to be discussed | D．has been discussed |
The old man was quite weak after the accident, so he______.
| A．must look after | B．must be taken care |
| C．must be looked after | D．must take care of |