What worried the child most was ______ to visit his mother in the hospital.A. his not allowing B. his not being allowedC his being not allowed D. having not being allowed
I’m feeling rather ________ in my present job; I need a change.
—________leave at the end of this month. —I don’t think you should do that until ________ another job.
If you are feeling so tired, perhaps a little sleep would _______.
—How did you find your visit to Qingdao, Joanna? —________.
Many countries are increasing their use of natural gas, wind and other forms of _______.