--Where is Mother?
---She is in the kitchen. She ______ the housework all morning.
A.is doing | B.was doing | C.has done | D.has been doing |
--- Are you in a hurry?
--- No, in fact, I’ve got plenty of time. I _______ wait.
A.can | B.may | C.must | D.Should |
You can’t appreciate happiness _______ you have known sadness too.
A.because | B.when | C.though | D.unless |
We shouldn't have come north for Christmas vacation. If we _______, we wouldn't be stuck in the snow right now.
A.wasn't | B.didn't | C.hadn't | D.weren't |
The lack of movement caused the player’s muscles to _______ and he might never play the sport again.
A.hurt | B.ruin | C.weaken | D.threaten |
With the victory at the French Open, Li Na has reached NO.4 in the world, ______ the previous Asian Record.
A.equaled | B.equaling | C.to have equaled | D.having equaled |