eaker is giving rather an _______ speech,as I can judge from the _______ look of all the listeners.

Which of the following words is pronounced as /wek/_______.

下列各句中，没有语病的一句是（ ）

Why haven’t you asked her to come here— She _____ an important experiment when I found her and she _____ it.

We have done things we ought not to have done and ________ undone things weought to have done