I find _______ difficult to finish the work on time. We only have three hours left.
Tom likes playing the violin and is good at English.______his sister.
_____ Tim’s help, I found my pet dog in the end. I should say thanks to him. [ ]
________ that the weather was to be very hot this weekend.
When did you start to collect stamps?— I got my ______ stamp when I was ______ years old.