--________ does your father visit your grandparents a week? –Once.
A. How often B. How many times C. How long D. How soon
--________ do you have PE? –Every Monday, Wednesday and Friday.
A. How often B. How long C. How many times D. What time
We have to work for ________ to finish the work.
A. another two hours B. more two hours C. two another hours D. other two hours
The sea water is _______ for anybody to ______.
A. enough warm, swim B. enough warm, swim in
C. warm enough, swim D. warm enough, swim in
The plane couldn’t take off on time _____ the heavy rain.
A. because B. so that C. because of D. as
I found ____ hard to get out of bed on cold winter mornings.
A. that B. this C. it is D. it
