There are a number of cases _______ family members or friends quarrel with each other and become enemies.
| A．that | B．which | C．where | D．when |
“Which sweater is yours?” “The one _______ No. 9.”
| A．that marked | B．was marked with | C．which marked | D．marked with |
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.
| A．makes | B．to make | C．made | D．has made |
What have we said _______ her so happy?
| A．makes | B．to make | C．made | D．has made |
Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．seen |