The teacher always tells her students that only if __________ hard _________ achieve success.
| A．do they work, will they | B．do they work, they will |
| C．they work, will they | D．they work, they will |
----Won’t you go shopping with your mother ?
----____she promises to buy me a new sweater .
A WhenB IfC Unless D Whether
He thought the jar made of earth _____little value and let me have it ____only one dollar .
A with; for B of; for C of ;by D with ; by
The lecture begins at 9 tomorrow morning .So I have to be at the hall ____8:40 pm. at the latest.
A untilB afterC byD around
______the sales of computers up by 20%every year ,our company is becoming larger .
A As B For C With D Through
Which is the longest bridge ______the Changjiang River , do you know ?
| A．through | B．across | C．on | D．over |