--- Look at these black clouds. It _______ soon.
--- Sure. If only we _______ out.
| A．is raining; didn’t come | B．is to rain; won’t start |
| C．will rain; haven’t started | D．is going to rain; hadn’t come |
When deeply absorbed in work, ________ he often was, he would forget all about eating or sleeping.
| A．that | B．which | C．where | D．when |
When you are done with the book, just give it to Lucy or Helen or __________.
| A．whoever | B．wherever | C．whatever | D．however |
Nothing is so easy as ________ parents to raise their expectations of their children too high.
| A．of | B．to | C．by | D．for |
Not until he retired from teaching three years ago having a holiday abroad.
| A．he had considered | B．had he considered |
| C．he considered | D．did he consider |
Don't handle the vase as if it ________made of steel.
| A．is | B．were | C．has been | D．had been |