—We could have walked to the doctor’s; it was so near.
—Yes. A ride ___ at all necessary.
| A．wasn’t | B．hadn’t been | C．wouldn’t be | D．won’t be |
Sarah, hurry up. I’m afraid you won’t have time to__________________before the party.
| A．get changed | B．get change | C．get changing | D．get to change |
Children will work actively if_________________.
| A．praise | B．praised | C．praising | D．to praise |
He told us an interesting story about himself, _______________why he didn’t succeed that time.
| A．explain | B．to explain | C．explained | D．explaining |
Don’tplaywiththedog,Jack,forit_____________bedangerousattimes.
| A．shall | B．should | C．can | D．Must |
I_____in London for many years, but I’ve never regretted my final decision to move back to China.
| A．lived | B．was living | C．have lived | D．had lived |