It takes him two hours _______ his homework every night.
| A．do | B．does |
| C．to do | D．doing |
This was his first visit ________ China．He said the trip ________ China was very interesting．
| A．to；for |
| B．to；to |
| C．for；to |
| D．for；for |
—Excuse me，look at the sign NO PHOTOS！
—Sorry，I ________ it．
| A．don’t see |
| B．didn’t see |
| C．haven’t seen |
| D．won’t see |
One of the popular expressions in 2012 ________ “Positive energy”．
| A．is |
| B．are |
| C．was |
| D．were |
Sam opened the door and ________ a lovely dog outside．
| A．finds |
| B．found |
| C．has found |
| D．will find |
—________ you busy last Saturday？
—Yes．I ________．
| A．Was；were |
| B．Were；was |
| C．Did；did |
| D．Were；were |