-Do you know our hometown at all?-No, this is the first time I _______ here.
—Is the experiment easy?— ________ . I'll just do my bit.
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.