The children were worried about their mother. They didn’t go to bed ___ their mother came back..
| A．when | B．while | C．until | D．after |
That is an old hotel，________ it is very clean and quiet．
| A．because |
| B．or |
| C．but |
| D．and |
—Could you tell me the way to the Science Museum，please？
—Yes，walk along the street．You’ll see it ________ your left．
| A．on |
| B．in |
| C．for |
| D．over |
Li Chen likes to ________ much time on TV show．
| A．take |
| B．spend |
| C．taking |
| D．spending |
Wang Lin wants to buy a book．She needs to go to a ________．
| A．clothes store |
| B．bank |
| C．bookstore |
| D．shop |
—Laura enjoys ________ storybooks．
—Me，too．
A．reading
B．read
C．to read