We are all looking forward ______ the Great Wall during the National Day.
| A．to visiting | B．to visit | C．for visiting | D．for a visit to |
相关试题
How can they learn anything useful ______ they spend all their spare time playing online games?
| A．while | B．unless | C．although | D．when |
______ is it that metals plays such an important part in our daily life?
| A．Why | B．What | C．Where | D．When |
He is strict and kind-hearted teacher, ______ the children respect but are a bit afraid of.
| A．which | B．that | C．one which | D．one whom |
They have the right to check ______ the 
will is valid(有效的), of course.
| A．whether | B．why | C．when | D．how |
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