动词填空 用括号内所给动词的适当形式填空。（本大题共8分，每小题1分）
Can the little boy in a blue shirt over there ______ (stay) at home by himself(独自)?
How long does it take them __________ (ride) to the park?
At the moment, the Greens_____________ (plan) to travel to Hawaii.
I’m having a meeting at the moment. I ________ (call) you back when it’s over.
I look forward to_____________ (meet) you in my hometown.
How______________ your father______________ (go) to work every day?
Timmy with his good friends            (not be) afraid of snakes any more.
—_____________Simon and Daniel_____________ (visit) their friends this weekend?
—Yes, they are.