23.Naturally I will come to you for advice whenever I feel I need________.
一What’s the problem with your mountain bike Thomas?一 _______.I can manage it and catch up with you
I always take something to read when I go to the doctor’s ___________ I have to wait.
Prices of daily goods ___________ through a computer can be lower than store prices.
Courage is a kind of quality --- and that’s __________it takes to face the challenges in life.
Don’t be afraid of asking for help ___________ it is needed.