-- How’s your tour around the North Lake? Is it beautiful? --- It ________ be, but it is now heavily polluted (污染).
“Which sweater is yours?” “The one _______ No. 9.”
What worried the child most was ______ to visit his mother in the hospital. A. his not allowing B. his not being allowed C his being not allowed D. having not being allowed
What we have said ________ her so happy.
What have we said _______ her so happy?
Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it.