【2015·江苏】It is so cold that you can’t go outside _____ fully covered in thick clothes.
| A．if | B．unless | C．once | D．when |
What they need ______ enough money, while what we need ______ enough workers.
| A．is; is | B．are; are | C．is; are | D．are; is |
—Please tell Nana she has won the first prize in the teaching skill contest in April.
—_________! She never did so well before.
| A．Congratulations | B．Good luck |
| C．That’s right | D．What a good surprise |
The serious situation made it possible for laws preventing pollutions_________in many countries.
| A．from passing | B．to pass | C．by passing | D．to be passed |
—Mr.Smith,you are wanted on the phone.
—Thank you. _________no one knows I’m here.
| A．For | B．And | C．But | D．So |
— I’d like to invite you to our party this weekend.
— Thank you, but _________I’ll have time I’m not sure at the moment.
| A．whether | B．what | C．when | D．that |