If you don’t know the words, you must ______in a dictionary.
| A．look it up | B．look up it |
| C．look them up | D．look up them |
—When did you have your school trip？
—________．
| A．In five days |
| B．For five days |
| C．Twice a day |
| D．Five days ago |
Oh，you are here．I ________ you came back．
| A．don’t know |
| B．didn’t know |
| C．haven’t known |
| D．won’t know |
He shouted ________ his father when he found a snake in the forest．
| A．on |
| B．to |
| C．in |
| D．at |
—What ________ they ________ last weekend？
—They played computer games．
| A．do；do |
| B．do；did |
| C．did；do |
| D．are；doing |
In order to find ________ better job，she planned to learn ________ second foreign language．
| A．the；a |
| B．a；a |
| C．the；the |
| D．a；the |