He has been in high spirits, for pieces of exciting news came to him __________.
| A．one after another | B．one by one | C．little by little | D．step by step |
—The weather here in summer is so changeable. Please take an umbrella when you go out.
—________.
| A．Well, don’t worry | B．Well, it just depends |
| C．Oh, take it easy | D．OK, just in case |
Our teacher looked here and there on the playground ________looking for something.
| A．even though | B．as if | C．even if | D．only if |
After the earthquake，the poor girl was found ________under the ruins of a church.
| A．burying | B．to be buried | C．buried | D．being buried |
—Jack fell off the ladder yesterday，but he is all right now.
—What a lucky dog! He________ himself badly.
| A．should injure | B．might injure |
| C．should have injured | D．could have injured |
The children, _____ had played the whole day long, were worn out.
| A．all of what | B．all of them |
| C．all of whom | D．all of which |