30. She had no idea how it _____ that her husband met with trouble again.
A.came about | B.came out | C.came across | D.came up |
—Who are making so much noise in the garden?
—_______ the children.
A.It is | B.They are |
C.That is | D.There are |
It was lack of money, not of effort, _____ defeated their plan.
A.which | B.as |
C.that | D.what |
It’s more than half a century _____ my grandfather joined the Party and became a servant to the people.
A.when | B.that |
C.since | D.while |
“Was it under the tree _____ you were away talking to a friend?” “Sure. But when I got back there, the bike was gone.
A.that | B.where |
C.which | D.while |
Was it at five o’clock ______the fire broke out?
A.when | B.that |
C.which | D.in which |