—What happened to Mike?
—He had a stomachache. He began to work _______ having breakfast this morning.
| A．with | B．of | C．from | D．Without |
—Could you tell me____?
—Sorry，I have no idea.
| A．how old is your son |
| B．that he will come here soon |
| C．whether is it fine tomorrow |
| D．who is going to give a talk at the meeting |
—The problem is too difficult，can you show me _____，Wang Le?
—Sure.
| A．what to work it out | B．what to work out it |
| C．how to work it out | D．how to work out it |
—What do you think of Ann?
—Ann is so careful that she always goes over her exercises to ______ there are no mistakes.
| A．look for | B．make sure | C．find out | D．think about |
—_____will your sister be back ?
—In about two hours.
| A．How | B．How often | C．How long | D．How soon |
—Please don’t touch that fish.It smells _______.
—OK，I won’t.
| A．bad | B．badly | C．good | D．well |