— David, keep ______ in mind that you have to be home by 10 o'clock.
— OK, Mom, I will.
| A．it | B．me | C．this | D．one |
They want to know do to help us.
| A．what can they | B．what they can |
| C．how they can | D．how can they |
Rather than on a crowded bus, he always prefers a bicycle.
| A．ride; ride | B．riding; ride | C．ride; to ride | D．to ride; riding |
I shall never forget those years _________I lived in the country with the farmers.
| A．that | B．when | C．where | D．which |
---Would you do me a favor and give me a ride?
--- __________.
| A．With pleasure | B．No trouble |
| C．Never mind | D．Yes, that’s right |
I’ll show you a store ________ you may buy all ________ you need.
| A．where; which | B．in which; that |
| C．which; that | D．that; that |