Taking care of children calls for your time, abilities, patience and emotions. _____, it is not a simple thing.
| A．On the contrary | B．What's more |
| C．In conclusion | D．On the other hand |
He to go to Beijing today, but he postponed the trip when he heard that there would be a downpour at noon.
| A．was intending | B．would intend | C．had intended | D．intended |
a reward of $1,000 will be given to can provide any clues to the case which has been investigated by the police for nearly half a year.
| A．whoever | B．whomever | C．anyone | D．who |
His house burnt down in a big fire.Was the base on which it had stood.
| A．What remained | B．All that remaining |
| C．What was remained | D．All what remained |
Everyone agreed to the suggestion that the machineat once.
| A．should be repaired | B．be repaired |
| C．must be repaired | D．be repaired |
The country’s populationsmall, and most of its populationin the mountainous areas.
| A．are; lives | B．are; live | C．is; live | D．is; lives |