If he (was to come) here this afternoon, I (should ask) him to go to the party (held by) student (union).

单项选择题It is (raining hard) outside. (Haven't) you (taken) an umbrella (with you)

单项选择题(Although) the wages for all the members of the working staff (increase regularly), so (their expenses do); for the prices for everything (are increasing dramatically) at the same time.