Our teacher looked here and there on our playground ________ looking for something.
| A．even though | B．even if | C．as if | D．only if |
---How is your plan getting along?
----I can’t carry on _____ any longer. Someone must help me.
| A．single | B．simply | C．alone | D．lonely |
Nuclear energy may be dangerous if
| A．controls | B．not controlling | C．not controlled | D．controlled |
—Do I need to give a tip if I eat at a fast food restaurant in the United States?
—Yes , it’s a commonto tip waiters in a restaurant.
| A．sense | B．custom | C．method | D．practice |
They all looked ____ at the master and felt quite _____．
| A．sad; sad | B．sadly; sadly | C．sad; sadly | D．sadly; sad |
The small victories in the fight against poverty and hunger have helped many people who are in trouble allowing them to maintain dignity.
| A．before | B．after | C．for | D．while |