With online shopping increasingly popular, the Internet is seen as a(n) way of reaching target customers.
| A．temporary | B．complex | C．accurate | D．efficient |
Plants grow best__________it is warm and wet.
| A．which | B．in which | C．where | D．that |
__________ you go，you should bear the motherland in mind.
| A．Where | B．Whenever |
| C．However | D．Wherever |
_________，so he didn’t come to school last week.
| A．Though he was ill | B．Being ill |
| C．Having been ill | D．He was ill |
In my opinion，his suggestion__________right or not，should be considered.
| A．if | B．which | C．when | D．whether |
It was quite a long time__________I made it out what had happened.
| A．after | B．before | C．when | D．since |