I enjoy staying outside so I always sleep with the window open it is really cold．
| A．since | B．when |
| C．if | D．unless |
–How about the exhibition that day?
--It was very noisy, but that didn’t ________ me.
| A．hurt | B．impress | C．change | D．bother |
–Do you know the man under the tree?
--Sorry, I don’t know _______.
| A．how is he | B．what is he | C．who he is | D．bother |
–Waiter, $ 20 for dinner, right?
--I’m afraid $25, sir, for drinks are ________.
| A．extra | B．free | C．high | D．spare |
–How many students are there in the classroom?
--__________. They are all in the lab.
| A．Some | B．None | C．All | D．Neither |
–Why are you still waiting in line?
--I’ve missed my _______ .
| A．place | B．order | C．turn | D．time |