More highways have been built in China, ______ it mucheasier for people to travel from one place to another.

The doctor said it would take six weeks to recover and I ________ be fine by then.

The old man became very worried, standing at the gate, unable to find a man________he could turn forhelp[ ]

Martin was once ________ “problem student”, but nowhe’s one of ________ top students.

What’s the matter with Jason. He looks a bit upset. — Didn’t you know? When returning from his holiday last night, he found his house________.