He seems too tired today, and I wonder he got a good sleep last night.
A.when | B.that | C.if | D.where |
Mr. White will come to the party on Sunday, _______ he promised to every one of us.
A.when | B.that | C.what | D.which |
_______ that caused him to serve dinner an hour later than usual.
A.It was we being late | B.It was our being late |
C.It was we were too late | D.It was because we were late |
China _______ a sharp increase in the number of aged people over the past decade.
A.sees | B.saw | C.has seen | D.will see |
Mr. Frank asked me a question _______ I could go with him to _______ he called the Treasure House the next week.
A.that; which | B.whether; that | C.whether; what | D.that; where |
—The terrible accident is under investigation.
—Actually, quicker action ______ those workers trapped in the mine.
A.might have saved | B.must have saved | C.should have saved | D.could have saved |