. ____ it will do us harm or good remains to be seen.
Although he knew little about the large amount of work done in the field, he succeeded ________ other more well - informed experimenters failed.
—Where have you been recently? —I ________ in Hangzhou on business for a week last month.
The big- eyed girl came in, ________ a cake with two ________ candles on it.
Before Tom left home, his mother kept telling him to ________ his manners at the party.
—Excuse me, could you tell me the time, please? —Sorry, I don't have a watch with me. — ________.