Though I have often heard this song ______, I have never heard you ______ it.
| A．being sung; sang | B．sang; singing |
| C．sung; sing | D．to be sung; to sing |
—Ready to give up guessing, Sandy?
—No, no. Hold on! I think I _____at the answer now.
| A．arrive | B．have arrived | C．arrived | D．am arriving |
Leave your key with a neighbor ________ you lock yourself out one day.
| A．soon after | B．even if | C．ever since | D．in case |
The purse found on the playground matches the ____ by Mary, so it must be hers.
| A．direction | B．expression | C．description | D．instruction |
—Why didn’t Sam attend the party yesterday evening?
—He ___ not have wanted to see me.
| A．should | B．might | C．could | D．would |
In Haikou, ______ car is getting to be _____ popular means of transportation.
| A．the; a | B．a; 不填 | C．the; the | D．a; the |