S1 Present Simple - WB pg.25

The sun ______ in the east and ______ in the west.

• rise...set

• set...rose

• rises...sets

• sets...rises

Answer explanation

C. rises...sets

• 太阳的动作是现在时态，第三人称单数要加 -s。
  A. rise...set ❌（少了-s）
  B. set...rose ❌（顺序错误+过去时）
  D. sets...rises ❌（顺序错误）

We ______ the first bus every morning and take the last train in the evening.

• catching

• catches

• caught

• catch

You had better not be late; the Kuala Lumpur-Langkawi flight ______ at 5.35 pm this evening.

• departing

• departed

• departs

• depart

An elephant ______ while standing most of the time as lying down too much can restrict blood flow.

• slumber

• sleeps

• sleep

• rest

Answer explanation

B. sleeps

• 主语是单数（elephant），动词加 -s。
  A. slumber ❌（文艺/诗意一点的睡觉用词）
  C. sleep ❌（少了-s）
  D. rest ❌（少了-s，且意思偏向“休息”）

Pure water ______ at 0°C and ______ at 100°C.

• freeze...boil

• froze...boiled

• freezes...boils

• is freezing...boiling

Does the Earth ______ around the Sun or the Moon?

• revolving

• revolved

• revolved

• revolve

Answer explanation

“Does”后面用动词原形

A plant ______ food when it ______ carbon dioxide and water in the presence of sunlight.

• manufacture...synthesises

• makes...combines

• make...process

• made...adds

______ flour, sugar and salt in a bowl, then ______ some butter and ______ them together.

• Put...add...mix

• Puts...add...bake

• Puts...Adds...mixes

• Put...added...mixed

Answer explanation

使用祈使句，动词原形

My daughter ______ not go to school by bus. She rides her bike there.

• doing

• does

• did

• do

We shall go for a picnic unless the weather ______ bad.

• was

• are

• be

• is