Complete the sentences with suitable phrase/words given in the box.

(a) --- he arrived at the examination center, he realized he was underprepared.
(b) You----study hard if you want to pass the test.
(c) I----play tennis than go to the dentist.
(d) You----start saving money if you want to buy a car.
(e). She can't even solve simple math problems, ----calculus.
(f) -----she left the house when it started raining.
(g) He talks ---- he knew everything.
(h) She was afraid ----- she might reveal too much.
(i) It's ---- for you to learn how to cook before you move out of the house.
(j) ---- had they started their walk than it started to rain.