Đáp án. unless
Giải thích:
Dựa vào nghĩa của câu, ta thấy nếu an astronaut’s footprints will last forever (dấu chân của một phi hành gia sẽ tồn tại mãi mãi) sẽ không xảy ra nếu someone disturbs them (ai đó thay đổi chúng) nên ta cần một liên từ chỉ điều kiện để hoàn thành câu. Vì vậy, unless phù hợp.
Dịch nghĩa: Không có gió ở mặt trăng, vì vậy dấu chân của một phi hành gia sẽ tồn tại mãi mãi trừ khi ai đó thay đổi chúng.
I turned off my phone_______I wouldn’t be disturbed while working.
My mother gave me some money_______I wanted to buy something during my trip.
Fill in the blanks using suitable conjunctions in the box.
although (2) |
nor |
either |
because of (2) |
because(2) |
until |
whereas (2) |
as soon as |
otherwise (2) |
so that (2) |
so (2) |
unless (2) |
_______we have talked about the dangers of drinking alcohols to the students before, I think the information bears being repeated.
You make wine by leaving grape juice to ferment_______all the sugar has turned to alcohol.
My sister’s handwriting is always so neat, _______mine is a total mess.
Circle one letter to indicate the option that best completes each of the following sentences
Everybody was shocked_______he announced that his company had gone bankrupt.
Our math teacher gave Anna a punishment_______ she was late for class for third time this week.
She is looking for a new job_______she is tired of doing the same thing every day.
_______plan effectively your work, you need to know how you are doing in that work.
You should tell him about the difficulties you are having, _______, he will assume that you are doing well with the project.